perturb


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per·turb

 (pər-tûrb′)
tr.v. per·turbed, per·turb·ing, per·turbs
1. To disturb or confuse; make uneasy or anxious: I was perturbed by his off-color remarks.
2.
a. To cause (a system) to become altered or imbalanced from a normal state: volcanic eruptions that perturbed the climate.
b. Physics & Astronomy To cause perturbation in (the orbit of a celestial body, for example) by gravitational interaction.

[Middle English perturben, from Old French perturber, from Latin perturbāre : per-, per- + turbāre, to throw into disorder (from turba, confusion, perhaps from Greek turbē).]

per·turb′a·ble adj.

perturb

(pəˈtɜːb)
vb (tr; often passive)
1. to disturb the composure of; trouble
2. to throw into disorder
3. (Astronomy) physics astronomy to cause (a planet, electron, etc) to undergo a perturbation
[C14: from Old French pertourber, from Latin perturbāre to confuse, from per- (intensive) + turbāre to agitate, from turba confusion]
perˈturbable adj
perˈturbably adv
perˈturbing adj
perˈturbingly adv

per•turb

(pərˈtɜrb)

v.t.
1. to disturb or disquiet greatly in mind; agitate.
2. to throw into great disorder; derange.
3. to cause perturbation in the orbit of (a celestial body).
[1325–75; Middle English (< Old French perturber) < Latin perturbāre to throw into confusion =per- per- + turbāre to disturb; see turbid]
per•turb′a•ble, adj.
per•turb′er, n.

perturb


Past participle: perturbed
Gerund: perturbing

Imperative
perturb
perturb
Present
I perturb
you perturb
he/she/it perturbs
we perturb
you perturb
they perturb
Preterite
I perturbed
you perturbed
he/she/it perturbed
we perturbed
you perturbed
they perturbed
Present Continuous
I am perturbing
you are perturbing
he/she/it is perturbing
we are perturbing
you are perturbing
they are perturbing
Present Perfect
I have perturbed
you have perturbed
he/she/it has perturbed
we have perturbed
you have perturbed
they have perturbed
Past Continuous
I was perturbing
you were perturbing
he/she/it was perturbing
we were perturbing
you were perturbing
they were perturbing
Past Perfect
I had perturbed
you had perturbed
he/she/it had perturbed
we had perturbed
you had perturbed
they had perturbed
Future
I will perturb
you will perturb
he/she/it will perturb
we will perturb
you will perturb
they will perturb
Future Perfect
I will have perturbed
you will have perturbed
he/she/it will have perturbed
we will have perturbed
you will have perturbed
they will have perturbed
Future Continuous
I will be perturbing
you will be perturbing
he/she/it will be perturbing
we will be perturbing
you will be perturbing
they will be perturbing
Present Perfect Continuous
I have been perturbing
you have been perturbing
he/she/it has been perturbing
we have been perturbing
you have been perturbing
they have been perturbing
Future Perfect Continuous
I will have been perturbing
you will have been perturbing
he/she/it will have been perturbing
we will have been perturbing
you will have been perturbing
they will have been perturbing
Past Perfect Continuous
I had been perturbing
you had been perturbing
he/she/it had been perturbing
we had been perturbing
you had been perturbing
they had been perturbing
Conditional
I would perturb
you would perturb
he/she/it would perturb
we would perturb
you would perturb
they would perturb
Past Conditional
I would have perturbed
you would have perturbed
he/she/it would have perturbed
we would have perturbed
you would have perturbed
they would have perturbed
ThesaurusAntonymsRelated WordsSynonymsLegend:
Verb1.perturb - disturb in mind or make uneasy or cause to be worried or alarmedperturb - disturb in mind or make uneasy or cause to be worried or alarmed; "She was rather perturbed by the news that her father was seriously ill"
vex, worry - disturb the peace of mind of; afflict with mental agitation or distress; "I cannot sleep--my daughter's health is worrying me"
disturb, trouble, upset - move deeply; "This book upset me"; "A troubling thought"
2.perturb - disturb or interfere with the usual path of an electron or atom; "The electrons were perturbed by the passing ion"
deviate - cause to turn away from a previous or expected course; "The river was deviated to prevent flooding"
perturb - cause a celestial body to deviate from a theoretically regular orbital motion, especially as a result of interposed or extraordinary gravitational pull; "The orbits of these stars were perturbed by the passings of a comet"
3.perturb - cause a celestial body to deviate from a theoretically regular orbital motion, especially as a result of interposed or extraordinary gravitational pull; "The orbits of these stars were perturbed by the passings of a comet"
deviate - cause to turn away from a previous or expected course; "The river was deviated to prevent flooding"
perturb - disturb or interfere with the usual path of an electron or atom; "The electrons were perturbed by the passing ion"
4.perturb - throw into great confusion or disorder; "Fundamental Islamicists threaten to perturb the social order in Algeria and Egypt"
disarray, disorder - bring disorder to

perturb

verb disturb, worry, trouble, upset, alarm, bother, unsettle, agitate, ruffle, unnerve, disconcert, disquiet, vex, fluster, faze, discountenance, discompose He didn't seem to be perturbed by the news.

perturb

verb
To impair or destroy the composure of:
Informal: rattle.
Translations
يُزْعِج، يُقْلِق
spléstzneklidnit
bekymreforurolige
valda hugarangri hjá
satrauktuztraukt
kaygılandırmak

perturb

[pəˈtɜːb] VT
1. (= distress) → inquietar, preocupar
we are all very perturbedestamos todos muy inquietos or preocupados
he didn't seem in the least perturbedno parecía estar inquieto or preocupado en lo más mínimo
2. (= disturb) [+ calm, harmony] → perturbar

perturb

[pərˈtɜːrb] vt [+ person] → troubler
to be perturbed by sth → être troublé par qch

perturb

perturb

[pəˈtɜːb] vtturbare, agitare
I was perturbed to learn that ... → fui sconvolto nello scoprire che...

perturb

(pəˈtəːb) verb
to make (someone) worried or anxious. His threats didn't perturb her in the least.
References in classic literature ?
Poyser; and the hint he had given Arthur about her the other day had no more serious meaning than to prevent him from noticing her so as to rouse the little chit's vanity, and in this way perturb the rustic drama of her life.
Therefore theism did never perturb states; for it makes men wary of themselves, as looking no further: and we see the times inclined to atheism (as the time of Augustus Caesar) were civil times.
They perturb and dull conceptions instead of raising them.
2 Perturb the true support in the Laplace mechanism [10]
TEHRAN (FNA)- A Pakistani analyst said that the US and Saudi Arabia are in cahoots to try to perturb Iran in case of failure of ongoing nuclear talks, using Jundollah terrorist group as one of the tools for their purpose.