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a. An awareness of morality in regard to one's behavior; a sense of right and wrong that urges one to act morally: Let your conscience be your guide.
b. A source of moral or ethical judgment or pronouncement: a document that serves as the nation's conscience.
c. Conformity to one's own sense of right conduct: a person of unflagging conscience.
2. The part of the superego in psychoanalysis that judges the ethical nature of one's actions and thoughts and then transmits such determinations to the ego for consideration.
3. Obsolete Consciousness or awareness of something.
in (all good) conscience
In all fairness; by any reasonable standard.
on (one's) conscience
Causing one to feel guilty or uneasy.

[Middle English, from Old French, from Latin cōnscientia, from cōnsciēns, cōnscient-, present participle of cōnscīre, to be conscious of : com-, intensive pref.; see com- + scīre, to know; see skei- in Indo-European roots.]

con′science·less adj.


1. (Philosophy)
a. the sense of right and wrong that governs a person's thoughts and actions
b. regulation of one's actions in conformity to this sense
c. a supposed universal faculty of moral insight
2. conscientiousness; diligence
3. a feeling of guilt or anxiety: he has a conscience about his unkind action.
4. obsolete consciousness
5. in conscience in all conscience
a. with regard to truth and justice
b. certainly
6. on one's conscience causing feelings of guilt or remorse
[C13: from Old French, from Latin conscientia knowledge, consciousness, from conscīre to know; see conscious]
ˈconscienceless adj


(ˈkɒn ʃəns)

1. the inner sense of what is right or wrong in one's conduct or motives, impelling one toward right action: to follow the dictates of conscience.
2. the complex of ethical and moral principles that controls or inhibits the actions or thoughts of an individual.
3. an inhibiting sense of what is prudent.
4. conscientiousness.
5. Obs. consciousness; self-knowledge.
1. in (all) conscience, in all reason and fairness.
2. on one's conscience, (of a wrongdoing) burdening one with guilt.
[1175–1225; Middle English < Anglo-French < Latin conscientia knowledge, awareness, conscience. See con-, science]
con′science•less, adj.
con′science•less•ness, n.



See Also: REGRET

  1. A bad conscience is a kind of illness, in the sense that pregnancy is an illness —Friedrich Nietzsche
  2. A clear conscience is like a wall of brass —Latin proverb
  3. Conscience as big as the Alps —Walter Goodman, New York Times movie review, May 27, 1987
  4. Conscience … a terrifying little sprite, that bat-like winks by day and wakes by night —John Wolcott
  5. Conscience is God’s presence in man —Anon
  6. Conscience is like a sun-dial; if you let truth shine upon it, it will put you right —Hamilton Bower

    The author expanded upon the simile as follows: “But you may cover it over so that no truth can fall upon it, or you may let false light gleam upon it and then it will lead you astray.”

  7. (His) conscience rose like a shining light —Honore de Balzac
  8. Conscience wide as hell —William Shakespeare
  9. Gets little attacks of conscience, like hot flashes —Jonathan Valin
  10. Going through life with a conscience is like driving your car with the brakes on —Budd Schulberg
  11. A healthy conscience is like a wall of bronze —Erasmus
  12. He that has a scrupulous conscience, is like a horse that is not well wayed [well-taught]; he starts at every bird that flies out of the hedge —John Selden

    The word ‘hath’ from the original simile has been modernized to ‘has.’

  13. The sting of conscience, like the gnawing of a dog at a bone, is mere foolishness —Friedrich Nietzsche
  14. Weather-beaten conscience … as elastic as his heart —Arthur Train


1. 'conscious'

Conscious is an adjective. If you are conscious of something, you are aware of it.

She became conscious of Rudolph looking at her.
I was conscious that he had changed his tactics.

If you are conscious, you are awake, rather than asleep or unconscious.

The patient was fully conscious during the operation.
2. 'consciousness'

Consciousness is a noun. You can refer to your mind and thoughts as your consciousness.

Doubts were starting to enter into my consciousness.

If you lose consciousness, you become unconscious. If you regain consciousness or recover consciousness, you become conscious again after being unconscious. These are fairly formal expressions.

He fell down and lost consciousness.
He began to regain consciousness just as Kate was leaving.
She died in hospital without recovering consciousness.

In more informal English you can say that you pass out instead of 'lose consciousness', and come round instead of 'regain/recover consciousness'.

He felt sick and dizzy, then passed out.
When I came round, I was on the kitchen floor.
3. 'conscience'

Conscience is a noun. Your conscience is the part of your mind that tells you whether what you are doing is right or wrong.

My conscience told me to vote against the others.
Their consciences were troubled by stories of famine and war.
4. 'conscientious'

Conscientious is an adjective. Someone who is conscientious is very careful to do their work properly.

We are generally very conscientious about our work.
She seemed a conscientious, serious young woman.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.conscience - motivation deriving logically from ethical or moral principles that govern a person's thoughts and actionsconscience - motivation deriving logically from ethical or moral principles that govern a person's thoughts and actions
superego - (psychoanalysis) that part of the unconscious mind that acts as a conscience
ethical motive, ethics, morals, morality - motivation based on ideas of right and wrong
small voice, voice of conscience, wee small voice - an inner voice that judges your behavior
sense of duty, sense of shame - a motivating awareness of ethical responsibility
2.conscience - conformity to one's own sense of right conduct; "a person of unflagging conscience"
morality - concern with the distinction between good and evil or right and wrong; right or good conduct
conscientiousness - the quality of being in accord with the dictates of conscience
unconscientiousness - the quality of being willing to ignore the dictates of conscience
3.conscience - a feeling of shame when you do something immoral; "he has no conscience about his cruelty"
shame - a painful emotion resulting from an awareness of inadequacy or guilt


1. principles, scruples, moral sense, sense of right and wrong, still small voice I have battled with my conscience over whether I should send this letter or not.
2. guilt, shame, regret, remorse, contrition, self-reproach, self-condemnation She was suffering terrible pangs of conscience about what she had done.
in all conscience in fairness, rightly, certainly, fairly, truly, honestly, in truth, assuredly She could not, in all conscience, back out on her deal with him.
"Conscience: the inner voice which warns us that someone may be looking" [H.L. Mencken A Little Book in C Major]
"Thus conscience does make cowards of us all" [William Shakespeare Hamlet]
"Conscience is thoroughly well-bred and soon leaves off talking to those who do not wish to hear it" [Samuel Butler]
"A guilty conscience needs no accuser"


A sense of propriety or rightness:
vestčista vest
lương tâm


A. Nconciencia f
in all conscienceen conciencia
bad consciencemala conciencia
to have a clear consciencetener la conciencia tranquila or limpia
I have a clear conscience about ittengo la conciencia tranquila or limpia al respecto
with a clear consciencecon la conciencia tranquila or limpia
I have a guilty conscience (about it)me remuerde la conciencia (por ello)
I could not in conscience say thaten conciencia no podría decir eso
the conscience of the nationla voz de la conciencia del país
to have sth on one's consciencetener algo pesando sobre la conciencia, tener cargo or remordimiento de conciencia por algo
I have it on my conscienceme está remordiendo la conciencia por ello
social conscienceconciencia f social
a doctor with a social conscienceun médico socialmente concienciado or con conciencia social
B. CPD conscience money N dinero que se paga para descargar la conciencia
conscience raising N = consciousness raising


[ˈkɒnʃəns] nconscience f
to have a guilty conscience → avoir mauvaise conscience
to have a clear conscience → avoir la conscience tranquille, avoir bonne conscience
in all conscience, in conscience → en conscience
to have sth on one's conscience → avoir qch sur la conscience


nGewissen nt; to have a clear/easy/bad/guilty conscienceein reines/gutes/schlechtes/böses Gewissen haben (about wegen); doesn’t telling lies give you a guilty conscience?haben Sie keine Gewissensbisse or kein schlechtes Gewissen, wenn Sie lügen?; with an easy consciencemit ruhigem Gewissen, ruhigen Gewissens (geh); he has no conscience about lyinger macht sich (dat)kein Gewissen daraus, zu lügen; it/he will be on your conscience all your lifeSie werden das/ihn Ihr Leben lang auf dem Gewissen haben; she/it is on my conscienceich habe ihretwegen/deswegen Gewissensbisse; it’s still on my conscience (= I still haven’t done it)es steht mir noch bevor; my conscience won’t let me do itdas kann ich mit meinem Gewissen nicht vereinbaren; in (all) conscienceallen Ernstes; I can’t in all conscienceich kann unmöglich; let your conscience be your guide!hör auf dein Gewissen; it’s between you and your consciencedas musst du mit dir selbst or mit deinem Gewissen abmachen


conscience clause
n (Jur) → ˜ Gewissensklausel f
conscience money
n his donation looks like consciencemit der Spende will er wohl sein Gewissen beruhigen


[ˈkɒnʃns] ncoscienza
with a clear conscience → con la coscienza pulita or a posto
to have sth on one's conscience → avere qc sulla coscienza
in all conscience → onestamente, in coscienza


(ˈkonʃəns) noun
(that part of one's mind which holds one's) knowledge or sense of right and wrong. The injured man was on her conscience because she was responsible for the accident; She had a guilty conscience about the injured man; He had no conscience about dismissing the men.


ضَمِير svědomí samvittighed Gewissen συνείδηση conciencia omatunto conscience savjest coscienza 良心 양심 geweten samvittighet sumienie consciência совесть samvete ความรู้สึกผิดชอบชั่วดี vicdan lương tâm 良心


n conciencia; guilty — cargo de conciencia, conciencia culpable
References in classic literature ?
Amy rose to comply with outward composure, but a secret fear oppressed her, for the limes weighed upon her conscience.
We relieve our conscience by the confession, at all events leaving it to exercise its authority as it may see fit.
Without absolutely expressing a doubt whether the stalwart Puritan had acted as a man of conscience and integrity throughout the proceedings which have been sketched, they, nevertheless, hinted that he was about to build his house over an unquiet grave.
Much and deservedly to my own discredit, therefore, and considerably to the detriment of my official conscience, they continued, during my incumbency, to creep about the wharves, and loiter up and down the Custom-House steps.
take my cab, my horse will get you there all right;" and as he shut them in, with a wink toward Jerry, said, "It's against his conscience to go beyond a jog-trot.
You ought to let him cover the whole balance of the debt; and you would, Haley, if you had any conscience.
Tom's fearful secret and gnawing conscience dis- turbed his sleep for as much as a week after this; and at breakfast one morning Sid said:
Her manners gave some re-assurance to Edward, and he had courage enough to sit down; but his embarrassment still exceeded that of the ladies in a proportion, which the case rendered reasonable, though his sex might make it rare; for his heart had not the indifference of Lucy's, nor could his conscience have quite the ease of Elinor's.
And were all this otherwise, wouldst thou have us show a worse conscience than an unbeliever, a Hebrew Jew?
By my faith, senor, hunting and amusements are more fit for idlers than for governors; what I intend to amuse myself with is playing all fours at Eastertime, and bowls on Sundays and holidays; for these huntings don't suit my condition or agree with my conscience.
Yes, the conscience is clear and the song is clear, and so these little streams flow on, shining in the clear dawn of a golden past to which all poets and philosophers to come will turn with wistful eyes.
When from dark error's subjugation My words of passionate exhortation Had wrenched thy fainting spirit free; And writhing prone in thine affliction Thou didst recall with malediction The vice that had encompassed thee: And when thy slumbering conscience, fretting By recollection's torturing flame, Thou didst reveal the hideous setting Of thy life's current ere I came: When suddenly I saw thee sicken, And weeping, hide thine anguished face, Revolted, maddened, horror-stricken, At memories of foul disgrace.