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intr. & tr.v. de·creased, de·creas·ing, de·creas·es
To become or cause to become less or smaller, as in number, amount, or intensity.
n. (dē′krēs′)
1. The act or process of decreasing.
2. The amount by which something decreases.

[Middle English decresen, from Old French decreistre, decreiss-, from Latin dēcrēscere : dē-, de- + crēscere, to grow; see ker- in Indo-European roots.]

de·creas′ing·ly adv.
Synonyms: decrease, lessen, reduce, dwindle, abate, diminish, subside
These verbs mean to become smaller or less or to cause something to become smaller or less. Decrease and lessen have the most general application: saw the plane descend as its speed decreased; vowed to decrease government spending; an appetite that lessened as the disease progressed; restrictions aimed at lessening the environmental impact of off-road vehicles.
Reduce often emphasizes bringing down in size, degree, or intensity: reduced the heat once the mixture reached a boil; workers who refused to reduce their wage demands.
Dwindle suggests decreasing bit by bit to a vanishing point: savings that dwindled away in retirement.
Abate stresses a decrease in amount or intensity and suggests a reduction of excess: a blustery wind that abated toward evening; increased the dosage in an effort to abate the pain.
Diminish stresses the idea of loss or depletion: a breeze that arose as daylight diminished; a scandal that diminished the administration's authority.
Subside implies a falling away to a more normal level or state: floodwaters that did not subside until days after the storm passed; anger that subsided with understanding.


to diminish or cause to diminish in size, number, strength, etc
1. the act or process of diminishing; reduction
2. the amount by which something has been diminished
[C14: from Old French descreistre, from Latin dēcrescere to grow less, from de- + crescere to grow]
deˈcreasing adj
deˈcreasingly adv


(v. dɪˈkris; n. ˈdi kris, dɪˈkris)

v. -creased, -creas•ing,
n. v.i.
1. to lessen, esp. by degrees, as in extent, quantity, strength, or power; diminish.
2. to make less; cause to diminish.
3. the act or process of decreasing; gradual reduction.
4. the amount by which a thing is lessened.
[1350–1400; Middle English < Old French decreiss-, long s. of decreistre < Latin dēcrēscere (dē- de- + crēscere to grow); see crescent]

syn: decrease, diminish, dwindle, shrink imply becoming smaller or less in amount. decrease commonly implies a sustained reduction in stages, esp. of bulk, size, volume, or quantity, often from some imperceptible cause or inherent process: The swelling decreased daily. diminish usu. implies the action of some external cause that keeps taking away: Disease caused the number of troops to diminish steadily. dwindle implies an undesirable reduction by degrees, resulting in attenuation: His followers dwindled to a mere handful. shrink esp. implies contraction through an inherent property under specific conditions: Many fabrics shrink in hot water.


  1. Contract, like the pupil of an eye that confronts the sun —John Hall Wheelock
  2. (My avarice) cooled like lust in the chill of the grave —Ralph Waldo Emerson
  3. Decrease like a cigar: the harder you puff on it, the shorter it gets —Anon

    The cigar has also been likened to an actor; e. g., “An actor decreases like a cigar; the more you puff him, the smaller he gets.”


  4. Decrease like a lemon drop; the more you lick it, the less it becomes —Anon
  5. Decrease like hair after each decade —Mike Sommer
  6. Devour [information] like baseball addicts devour box scores —David E. Sanger, New York Times, December 14, 1985
  7. Diminished and flat, as after radical surgery —Sylvia Plath
  8. (All my efforts) diminish like froth —Erich Maria Remarque
  9. Drain (as a day’s happenings) like water running out of a tub —Andre Dubus
  10. Energy … draining out like sand —May Sarton
  11. Gobble up cash the way electronic equipment gobbles up batteries —Anon
  12. Goes down like an ebbing tide —Henry James

    James let the hero of his play, Guy Domville, use the ebbing tide comparison to explain the nature of his ignorance.

  13. Go through [as bottle of pills] like a bull breaks a fence —Anon
  14. Pared like a carrot —John Russell

    This is often used to mean humiliation.

  15. (The conversation was already) petering out like a smoldering cigarette end —Stefan Zweig
  16. Receding like a threatened headache which hasn’t materialized —William Mcllvanney
  17. Shrinking as violets do in summer —Thomas Moore

    The original ended with “As violets do in summer’s rays.”

  18. Shrinking like aches —Charles Wright
  19. Shrivel up like the tendrils of a creeper when thrown on a bonfire —Francis King
  20. Shrunken as a beggar’s heart —Stephen Vincent Benét
  21. Use up as fast as a ten dollar bill in the supermarket —Anon
  22. Use up, like a cake of soap —Elyse Sommer
  23. Wore off [feeling of self-confidence] quicker than champagne —Edith Wharton


Past participle: decreased
Gerund: decreasing

I decrease
you decrease
he/she/it decreases
we decrease
you decrease
they decrease
I decreased
you decreased
he/she/it decreased
we decreased
you decreased
they decreased
Present Continuous
I am decreasing
you are decreasing
he/she/it is decreasing
we are decreasing
you are decreasing
they are decreasing
Present Perfect
I have decreased
you have decreased
he/she/it has decreased
we have decreased
you have decreased
they have decreased
Past Continuous
I was decreasing
you were decreasing
he/she/it was decreasing
we were decreasing
you were decreasing
they were decreasing
Past Perfect
I had decreased
you had decreased
he/she/it had decreased
we had decreased
you had decreased
they had decreased
I will decrease
you will decrease
he/she/it will decrease
we will decrease
you will decrease
they will decrease
Future Perfect
I will have decreased
you will have decreased
he/she/it will have decreased
we will have decreased
you will have decreased
they will have decreased
Future Continuous
I will be decreasing
you will be decreasing
he/she/it will be decreasing
we will be decreasing
you will be decreasing
they will be decreasing
Present Perfect Continuous
I have been decreasing
you have been decreasing
he/she/it has been decreasing
we have been decreasing
you have been decreasing
they have been decreasing
Future Perfect Continuous
I will have been decreasing
you will have been decreasing
he/she/it will have been decreasing
we will have been decreasing
you will have been decreasing
they will have been decreasing
Past Perfect Continuous
I had been decreasing
you had been decreasing
he/she/it had been decreasing
we had been decreasing
you had been decreasing
they had been decreasing
I would decrease
you would decrease
he/she/it would decrease
we would decrease
you would decrease
they would decrease
Past Conditional
I would have decreased
you would have decreased
he/she/it would have decreased
we would have decreased
you would have decreased
they would have decreased
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.decrease - a change downwarddecrease - a change downward; "there was a decrease in his temperature as the fever subsided"; "there was a sharp drop-off in sales"
alteration, change, modification - an event that occurs when something passes from one state or phase to another; "the change was intended to increase sales"; "this storm is certainly a change for the worse"; "the neighborhood had undergone few modifications since his last visit years ago"
shrinkage, shrinking - process or result of becoming less or smaller; "the material lost 2 inches per yard in shrinkage"
casualty - a decrease of military personnel or equipment
sinking - a slow fall or decline (as for lack of strength); "after several hours of sinking an unexpected rally rescued the market"; "he could not control the sinking of his legs"
attrition - a wearing down to weaken or destroy; "a war of attrition"
dwindling, dwindling away - a becoming gradually less; "there is no greater sadness that the dwindling away of a family"
waning - a gradual decrease in magnitude or extent; "the waning of his enthusiasm was obvious"; "the waxing and waning of the moon"
increase - a change resulting in an increase; "the increase is scheduled for next month"
2.decrease - a process of becoming smaller or shorter
physical process, process - a sustained phenomenon or one marked by gradual changes through a series of states; "events now in process"; "the process of calcification begins later for boys than for girls"
decay, decline - a gradual decrease; as of stored charge or current
decline, diminution - change toward something smaller or lower
desensitisation, desensitization - the process of reducing sensitivity; "the patient was desensitized to the allergen"
narrowing - a decrease in width
slippage - a decrease of transmitted power in a mechanical system caused by slipping
wastage - the process of wasting
increment, growth, increase - a process of becoming larger or longer or more numerous or more important; "the increase in unemployment"; "the growth of population"
3.decrease - the amount by which something decreases
amount - the relative magnitude of something with reference to a criterion; "an adequate amount of food for four people"
free fall, drop, dip, fall - a sudden sharp decrease in some quantity; "a drop of 57 points on the Dow Jones index"; "there was a drop in pressure in the pulmonary artery"; "a dip in prices"; "when that became known the price of their stock went into free fall"
shrinkage - the amount by which something shrinks
increment, increase - the amount by which something increases; "they proposed an increase of 15 percent in the fare"
4.decrease - the act of decreasing or reducing somethingdecrease - the act of decreasing or reducing something
change of magnitude - the act of changing the amount or size of something
cut - the act of reducing the amount or number; "the mayor proposed extensive cuts in the city budget"
mitigation, moderation - the action of lessening in severity or intensity; "the object being control or moderation of economic depressions"
lowering - the act of causing to become less
cutback - a reduction in quantity or rate
devaluation - the reduction of something's value or worth
devitalisation, devitalization - the act of reducing the vitality of something
mitigation, palliation, extenuation - to act in such a way as to cause an offense to seem less serious
alleviation, easement, easing, relief - the act of reducing something unpleasant (as pain or annoyance); "he asked the nurse for relief from the constant pain"
de-escalation - (war) a reduction in intensity (of a crisis or a war)
minimisation, minimization - the act of reducing something to the least possible amount or degree or position
depletion - the act of decreasing something markedly
shortening - act of decreasing in length; "the dress needs shortening"
shrinking - the act of becoming less
subtraction, deduction - the act of subtracting (removing a part from the whole); "he complained about the subtraction of money from their paychecks"
deflation - the act of letting the air out of something
discount, price reduction, deduction - the act of reducing the selling price of merchandise
rollback - reducing prices back to some earlier level
weakening - the act of reducing the strength of something
depreciation - a decrease in price or value; "depreciation of the dollar against the yen"
contraction - the act of decreasing (something) in size or volume or quantity or scope
reverse split, reverse stock split, split down - a decrease in the number of outstanding shares of a corporation without changing the shareholders' equity
amortisation, amortization - the reduction of the value of an asset by prorating its cost over a period of years
declassification - reduction or removal by the government of restrictions on a classified document or weapon
tax shelter, shelter - a way of organizing business to reduce the taxes it must pay on current earnings
tax credit - a direct reduction in tax liability (not dependent on the taxpayer's tax bracket)
step-up, increase - the act of increasing something; "he gave me an increase in salary"
Verb1.decrease - decrease in size, extent, or range; "The amount of homework decreased towards the end of the semester"; "The cabin pressure fell dramatically"; "her weight fell to under a hundred pounds"; "his voice fell to a whisper"
break - diminish or discontinue abruptly; "The patient's fever broke last night"
shrivel, shrink - decrease in size, range, or extent; "His earnings shrank"; "My courage shrivelled when I saw the task before me"
taper - diminish gradually; "Interested tapered off"
drop off - fall or diminish; "The number of students in this course dropped off after the first test"
vaporize, vanish, fly - decrease rapidly and disappear; "the money vanished in las Vegas"; "all my stock assets have vaporized"
break - fall sharply; "stock prices broke"
ease off, slacken off, ease up, flag - become less intense
change magnitude - change in size or magnitude
weaken - become weaker; "The prisoner's resistance weakened after seven days"
boil down, decoct, concentrate, reduce - be cooked until very little liquid is left; "The sauce should reduce to one cup"
shrink, contract - become smaller or draw together; "The fabric shrank"; "The balloon shrank"
shrink, shrivel, shrivel up, wither - wither, as with a loss of moisture; "The fruit dried and shriveled"
die away, let up, slack off, abate, slack - become less in amount or intensity; "The storm abated"; "The rain let up after a few hours"
deflate - become deflated or flaccid, as by losing air; "The balloons deflated"
dwindle, dwindle away, dwindle down - become smaller or lose substance; "Her savings dwindled down"
remit - diminish or abate; "The pain finally remitted"
de-escalate - diminish in size, scope, or intensity; "The war of words between them de-escalated with time"
devaluate, devalue, undervalue, depreciate - lose in value; "The dollar depreciated again"
shorten - become short or shorter; "In winter, the days shorten"
thin out - become sparser; "Towards the end of town, the houses thinned out"
wane, go down, decline - grow smaller; "Interest in the project waned"
wane - decrease in phase; "the moon is waning"
wane - become smaller; "Interest in his novels waned"
decelerate, slow, slow down, slow up, retard - lose velocity; move more slowly; "The car decelerated"
decrescendo - grow quieter; "The music decrescendoes here"
increase - become bigger or greater in amount; "The amount of work increased"
2.decrease - make smallerdecrease - make smaller; "He decreased his staff"
alter, change, modify - cause to change; make different; cause a transformation; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue"
suppress - reduce the incidence or severity of or stop; "suppress a yawn"; "this drug can suppress the hemorrhage"
mitigate - make less severe or harsh; "mitigating circumstances"
pare, pare down - decrease gradually or bit by bit
circumscribe, confine, limit - restrict or confine, "I limit you to two visits to the pub a day"
boil down, concentrate, reduce - cook until very little liquid is left; "The cook reduced the sauce by boiling it for a long time"
shrink, reduce - reduce in size; reduce physically; "Hot water will shrink the sweater"; "Can you shrink this image?"
abbreviate, abridge, foreshorten, shorten, contract, reduce, cut - reduce in scope while retaining essential elements; "The manuscript must be shortened"
abate, slake, slack - make less active or intense
lour, lower, turn down - make lower or quieter; "turn down the volume of a radio"
de-escalate, step down, weaken - reduce the level or intensity or size or scope of; "de-escalate a crisis"
minimize, minimise - make small or insignificant; "Let's minimize the risk"
cut down, reduce, trim back, trim down, cut, cut back, trim, bring down - cut down on; make a reduction in; "reduce your daily fat intake"; "The employer wants to cut back health benefits"
cut - have a reducing effect; "This cuts into my earnings"
slack up, slacken, slack, relax - make less active or fast; "He slackened his pace as he got tired"; "Don't relax your efforts now"
diminish, belittle - lessen the authority, dignity, or reputation of; "don't belittle your colleagues"
increase - make bigger or more; "The boss finally increased her salary"; "The university increased the number of students it admitted"


1. drop, decline, lessen, contract, lower, ease, shrink, diminish, fall off, dwindle, wane, subside, abate, peter out, slacken Population growth is decreasing each year.
2. reduce, cut, lower, contract, depress, moderate, weaken, diminish, turn down, slow down, cut down, shorten, dilute, impair, lessen, curtail, wind down, abate, tone down, truncate, abridge, downsize Regular doses of aspirin decrease the risk of heart attack.
reduce extend, enlarge lessen increase, expand
1. lessening, decline, reduction, loss, falling off, downturn, dwindling, contraction, ebb, cutback, subsidence, curtailment, shrinkage, diminution, abatement There has been a decrease in the number of young unemployed people.
lessening growth, expansion, extension


To grow or cause to grow gradually less:
تَنَاقُصتَناقُص، هُبوط، إنْخِفاضيَتَنَاقَصُيُقَلِّل، يُنْقِص
minnkaminnkun, lækkun
zmanjšanjezmanjšati seznižanje
giảm bớtsự giảm đi


A. [ˈdiːkriːs] N (gen) → disminución f, reducción f; (in wages) → descenso m, bajada f; (in prices) → bajada f, disminución f
a decrease in speed/strengthuna reducción de velocidad/fuerza
a decrease of 50%una reducción del 50%
to be on the decreaseir disminuyendo
B. [diːˈkriːs] VT [+ quantity, pressure, dose, speed] → disminuir, reducir; [+ wages] → bajar, reducir
C. [diːˈkriːs] VI
1. [power, strength, popularity, temperature, pressure] → disminuir; [enthusiasm, interest] → disminuir, decaer
to decrease by 10%bajar or disminuir un 10%
2. (Knitting) → menguar


n (in number)diminution f; (in quantity, size)réduction f; (in value, price, demand, spending, sales)diminution f; (in unemployment, consumption)baisse f
a decrease in unemployment → une baisse du chômage
a decrease in the number of unemployed people → une diminution du nombre de chômeurs
to be on the decrease → diminuer, être en diminution
[diːˈkriːs] vt [+ consumption] → réduire; [+ production, output] → réduire
vi [number, rate, sales] → diminuer
The number of crashes decreased by 27 per cent → Le nombre des accidents a diminué de 27 pour-cents.
Sales decreased 7% during the first half of the year → Les ventes ont diminué de 7% durant la première moitié de l'année.


viabnehmen; (figures, output, life expectancy, birth rate, production)zurückgehen, abnehmen; (strength, enthusiasm, intensity)nachlassen; (in knitting) → abnehmen; in decreasing order of importancein der Reihenfolge ihrer Bedeutung; it decreases in valuees verliert an Wert
nAbnahme f; (in figures, output, life expectancy, birth rate, production) → Rückgang m; (in strength, enthusiasm, intensity) → Nachlassen nt; decrease in speedVerminderung or Abnahme fder Geschwindigkeit; to be on the decreaseabnehmen


[n ˈdiːkriːs; vb diːˈkriːs]
1. n decrease (in) (amount, numbers, population, power) → diminuzione f (di); (birth rate, value, production, enthusiasm) → calo (di); (prices) → ribasso (di); (strength, dose) → riduzione f (di)
to be on the decrease → essere in diminuzione
2. vt (see n) → diminuire, far calare, ribassare, ridurre
3. vi (amount, numbers etc) → diminuire; (prices, birthrate etc) → calare (Knitting) → calare (le maglie)
to decrease by 10% → diminuire del 10%


(diˈkriːs) verb
to make or become less. Their numbers had decreased over the previous year.
(ˈdiːkriːs) noun
a growing less. a decrease of fifty per cent; a gradual decrease in unemployment.


تَنَاقُص, يَتَنَاقَصُ snížení, snížit aftage, nedgang Rückgang, vermindern (sich) μειώνω, μείωση disminución, disminuir lasku, vähentyä diminuer, diminution smanjenje, smanjiti calare, calo 減少, 減少する 감소, 감소하다 afname, afnemen minske, nedgang zmniejszenie, zmniejszyć decréscimo, diminuir уменьшать, уменьшение minska, minskning การลดลง, ลดลง azalma, azalmak giảm bớt, sự giảm đi 减少


n. disminución; reducción v. decrecer, disminuir, reducir;
___ saliva___ de saliva o reducción de saliva;
___ tears___ de lágrimas o reducción de lágrimas;
___ urine output___ o reducción del rendimiento urinario.


n disminución f; vt, vi disminuir(se)
References in classic literature ?
In proportion therefore, as the repulsiveness of the work increases, the wage decreases.
This luminous square increases from ten o'clock till midday, and decreases from one till three slowly, as if, having hastened to my presence, it sorrowed at bidding me farewell.
The troops are moved according to the enemy's movements and the number of men increases and decreases.
So it is when we travel northward, but in a somewhat lesser degree, for the number of species of all kinds, and therefore of competitors, decreases northwards; hence in going northward, or in ascending a mountain, we far oftener meet with stunted forms, due to the directly injurious action of climate, than we do in proceeding southwards or in descending a mountain.
And it is just the same with horses: you fret and worry their tempers, and decrease their power; you will not let them throw their weight against their work, and so they have to do too much with their joints and muscles, and of course it wears them up faster.
She returned just in time to join the others as they quitted the house, on an excursion through its more immediate premises; and the rest of the morning was easily whiled away, in lounging round the kitchen garden, examining the bloom upon its walls, and listening to the gardener's lamentations upon blights, in dawdling through the green-house, where the loss of her favourite plants, unwarily exposed, and nipped by the lingering frost, raised the laughter of Charlotte,--and in visiting her poultry-yard, where, in the disappointed hopes of her dairy-maid, by hens forsaking their nests, or being stolen by a fox, or in the rapid decrease of a promising young brood, she found fresh sources of merriment.
As this Federal supervision becomes more and more efficient, the present fear of monopoly will decrease, just as it did in the case of the railways.
Is a violent and unnatural decrease in the value of land a symptom of national distress?
The badly employed are those which, notwithstanding they may be few in the commencement, multiply with time rather than decrease.
May it not be that Mother Nature may deliberately encourage decrease as well as increase--that it may be an axiom that what is gained in concentration is lost in size?
She was the only woman whose place was upon the machine so as to be shaken bodily by its spinning, and the decrease of the stack now separated her from Marian and Izz, and prevented their changing duties with her as they had done.
There were plenty of blacks on Omean to thwart us were we apprehended; however many more might come from the temples and gardens of Issus would not in any decrease our chances.