con·​science | \ˈkän(t)-shən(t)s \

Definition of conscience 

1a : the sense or consciousness of the moral goodness or blameworthiness of one's own conduct, intentions, or character together with a feeling of obligation to do right or be good She had a guilty conscience.

b : a faculty, power, or principle enjoining good acts guided by conscience

c : the part of the superego in psychoanalysis that transmits commands and admonitions to the ego

2 : conformity to what one considers to be correct, right, or morally good : conscientiousness

3 : sensitive regard for fairness or justice : scruple a wealthy man with no conscience

4 archaic : consciousness

in all conscience or in conscience

: in all fairness She could not in all conscience remain silent.

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Other Words from conscience

conscienceless \ ˈkän(t)-​shən(t)s-​ləs \ adjective

Examples of conscience in a Sentence

… it is a politician's natural instinct to avoid taking any stand that seems controversial unless and until the voters demand it or conscience absolutely requires it. — Al Gore, An Inconvenient Truth, 2006 We like to imagine literature as the still, small voice of human conscience. It is that only rarely, however. Actively and passively, it has always borne along pernicious ideas. — Marilynne Robinson, New York Times Book Review, 15 Mar. 1987 So she had lied to him, but so had he to her, they were quits on that score and his conscience was calm. — Bernard Malamud, The Magic Barrel, (1950) 1958 The rat had no morals, no conscience, no scruples, no consideration, no decency … — E. B. White, Charlotte's Web, 1952 The thief must have had an attack of conscience, because he returned the wallet with nothing missing from it.
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Recent Examples on the Web

This attack shocked the conscience of our nation and filled our hearts with grief. Fox News, "Scaramucci on Trump's Supreme Court pick, WH staff rumors," 30 June 2018 The suppression only serves to show how worried the top brass is about this movement’s purely peaceful struggle and its appeal to conscience. The Christian Science Monitor, "A nonviolent movement challenges Pakistan’s military," 22 June 2018 The outcome of Portugal’s vote was expected to be close as the two main parties, the Socialists and the main opposition Social Democratic Party, allowed their lawmakers to vote according to their conscience. Washington Post, "Portugal’s parliament to vote on bills legalizing euthanasia," 31 May 2018 The country's two main parties, the Socialists and the main opposition Social Democratic Party, allowed their lawmakers to vote according to their conscience. NBC News, "Portugal's parliament rejects euthanasia, doctor-assisted suicide," 30 May 2018 Bevin argues Kentucky should protect the right of citizens to act according to their conscience. Courier Journal, The Courier-Journal, "Kentucky Gov. Matt Bevin: Company shouldn’t have to make gay pride shirts," 12 Feb. 2018 But many consumers expect our favorite brands to have a conscience. Cam Wolf, GQ, "How Clothing Brands Are Fighting Back Against Trump’s Border Policies," 28 June 2018 And what can the rest of us who do still have a moral conscience do about this? Pat Lenhoff,, "Column: With children behind fences, it's time for some national soul-searching," 21 June 2018 With all the time that has passed, perhaps the killer has a guilty conscience or a child who has since grown up will come forward, Mahoney said. Gina Barton, Milwaukee Journal Sentinel, "Murder of Dane County priest Alfred Kunz still unsolved after 20 years," 7 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'conscience.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of conscience

13th century, in the meaning defined at sense 1a

History and Etymology for conscience

Middle English, from Anglo-French, from Latin conscientia, from conscient-, consciens, present participle of conscire to be conscious, be conscious of guilt, from com- + scire to know — more at science

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Last Updated

5 Nov 2018

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Time Traveler for conscience

The first known use of conscience was in the 13th century

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More Definitions for conscience



English Language Learners Definition of conscience

: the part of the mind that makes you aware of your actions as being either morally right or wrong

: a feeling that something you have done is morally wrong


con·​science | \ˈkän-shəns \

Kids Definition of conscience

: a sense of right and wrong and a feeling that what is right should be done Her conscience told her to tell the truth.


con·​science | \ˈkän-chən(t)s \

Medical Definition of conscience 

: the part of the superego in psychoanalysis that transmits commands and admonitions to the ego

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Legal Definition of conscience 

: exempting persons whose religious beliefs forbid compliance conscience laws, which allow physicians…to refuse to participate in abortions— W. J. Curran

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More from Merriam-Webster on conscience

Spanish Central: Translation of conscience

Nglish: Translation of conscience for Spanish Speakers

Britannica English: Translation of conscience for Arabic Speakers Encyclopedia article about conscience

Comments on conscience

What made you want to look up conscience? Please tell us where you read or heard it (including the quote, if possible).


to express warning or disapproval

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