conscience
Americannoun
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consciences
plural
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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.
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the complex of ethical and moral principles that controls or inhibits the actions or thoughts of an individual.
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an inhibiting sense of what is prudent.
I'd eat another piece of pie but my conscience would bother me.
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Obsolete. consciousness; self-knowledge.
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Obsolete. strict and reverential observance.
noun
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the sense of right and wrong that governs a person's thoughts and actions
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regulation of one's actions in conformity to this sense
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a supposed universal faculty of moral insight
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conscientiousness; diligence
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a feeling of guilt or anxiety
he has a conscience about his unkind action
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obsolete consciousness
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with regard to truth and justice
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certainly
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causing feelings of guilt or remorse
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of conscience
First recorded in 1175–1225; Middle English, from Anglo-French, from Latin conscientia “knowledge, awareness, conscience”; equivalent to con- + science
Explanation
A conscience is a built-in sense of what's right and what's wrong. That sick feeling in your stomach after you lied to your brother about borrowing his skateboard? That might be your conscience bothering you. The word conscience contains the word science, which comes from the Latin word scientia, meaning "to know" or "knowledge." You can think of your conscience as your knowledge of yourself, especially when it comes to your own morals, or your feelings about right and wrong. Pangs of conscience, which feel like an uncomfortable inner voice, are helpful when you're trying to decide the right thing to do in a particular situation.
Vocabulary lists containing conscience
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
Nina Snow, the novel’s heroine and conscience, is scarred by the Bosnian wars of the 1990s.
From The Wall Street Journal ● Sep. 16, 2026
The best way to do that is to vote your conscience.
From Salon ● Aug. 28, 2026
At the same time the constitutional authority found that certain provisions of the legislation required clarification, including the so-called conscience clause, which allows healthcare professionals to refuse to take part in the procedure.
From Barron's ● Aug. 14, 2026
However, French Ambassador Jerome Bonnafont described Turk on Friday as " a voice of conscience" who demonstrated "rigor and impartiality" during his first term.
From BBC ● Jul. 28, 2026
As Agatha Swanburne once said, “A conscience is like a treasure map. You must follow it to the very end, if you wish to profit from it!”
From "The Long-Lost Home" by Maryrose Wood
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But the proposal would let us show how we disagree with each other about our shared political life, and so help direct our collective agency without sacrificing the individual voices of our consciences.
From Slate ● May 11, 2026
The Clergy and Laymen Concerned About Vietnam, for example, brought together Protestant, Roman Catholic and Jewish Americans who opposed the war because it violated the nation’s ideals and religious consciences.
From The Wall Street Journal ● Apr. 19, 2026
Ethical issues, such as those around life and death, are conventionally seen as matters for the consciences of individual MPs, so the government does not formally give a position.
From BBC ● Mar. 16, 2026
The French film legend says that the most important thing for her about a film "is that it changes lives, changes people's consciences."
From Barron's ● Feb. 15, 2026
A fair fight was the only way to keep their consciences clean.
From "Scythe" by Neal Shusterman
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.