con·​sci·​en·​tious | \ ˌkän(t)-shē-ˈen(t)-shəs How to pronounce conscientious (audio) \

Definition of conscientious

1 : meticulous, careful a conscientious listener
2 : governed by or conforming to the dictates of conscience : scrupulous a conscientious public servant

Other Words from conscientious

conscientiously adverb

Choose the Right Synonym for conscientious

upright, honest, just, conscientious, scrupulous, honorable mean having or showing a strict regard for what is morally right. upright implies a strict adherence to moral principles. a stern and upright minister honest stresses adherence to such virtues as truthfulness, candor, or fairness. known for being honest in business dealings just stresses conscious choice and regular practice of what is right or equitable. workers given just compensation conscientious and scrupulous imply an active moral sense governing all one's actions and painstaking efforts to follow one's conscience. conscientious in the completion of her assignments scrupulous in carrying out the terms of the will honorable suggests a firm holding to codes of right behavior and the guidance of a high sense of honor and duty. a difficult but honorable decision

Did you know?

According to American writer and editor H.L. Mencken, "Conscience is the inner voice which warns us someone may be looking." A person who is conscientious makes sure that if others are watching, they like what they see. "Conscience" and "conscientious" both come from the Latin verb conscire, a word that means "to be conscious" or "to be conscious of guilt" and that traces back to a still older Latin word, scire, meaning "to know."

Examples of conscientious in a Sentence

He was a good friend to his comrades, a conscientious leader mindful of his men's needs; an upright family man with strong, bright, proud children … — Tom Clancy, Without Remorse, 1994 Because Puckett was a conscientious lieutenant … his men did not have to stint on their fire. He had made sure that every man was carrying a basic load of ammunition and then some to spare … — Neil Sheehan, A Bright Shining Lie, 1988 He was shifty about money matters, not conscientious about returning advances, fulfilling contracts, reading manuscripts. — Monroe K. Spears, American Ambitions, 1987 She has always been a very conscientious worker. He was conscientious about following the doctor's orders.
Recent Examples on the Web In the film, sustainable tourism expert Costas Christ describes his own path toward more conscientious travel. Stephanie Pearson, Outside Online, 17 Mar. 2022 More in Ideas There is no blueprint for conscientious cultural engagement with nationals of an aggressor state. Suzanne Nossel, WSJ, 10 Mar. 2022 Neither will conscientious newspapers object to certain restrictions., 3 Mar. 2022 Sometimes news emerges that is so big, even conscientious jurors cannot avoid it. Andrew C. Mccarthy, National Review, 26 Feb. 2022 While some bishops have forbidden their priests from assisting in seeking exemptions, other bishops and priests have provided template letters for people claiming conscientious objections from the vaccines. Arkansas Online, 13 Feb. 2022 Students who put more effort into their homework became more conscientious. Olga Khazan, The Atlantic, 10 Feb. 2022 In the show, Son played Yoon Se-ri, a fashionable heiress and businesswoman who unexpectedly drops into the life of Hyun's character, Ri Jeong Hyeok, a conscientious North Korean military officer and son of a high-ranking official. Yoonjung Seo, CNN, 10 Feb. 2022 Amid so much eclecticism, there’s also a spectral quality to their sounds — a sense of spirituality and conscientious angst that often reflects the uncertainty lurking in the world. Julyssa Lopez, Rolling Stone, 9 Feb. 2022 See More

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

First Known Use of conscientious

1603, in the meaning defined at sense 2

History and Etymology for conscientious

see conscience

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The first known use of conscientious was in 1603

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Last Updated

26 Mar 2022

Cite this Entry

“Conscientious.” Dictionary, Merriam-Webster, Accessed 22 May. 2022.

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More Definitions for conscientious


con·​sci·​en·​tious | \ ˌkän-shē-ˈen-shəs How to pronounce conscientious (audio) \

Kids Definition of conscientious

1 : guided by or agreeing with a sense of doing what is right No conscientious person would stand for such unfair actions.
2 : using or done with care conscientious teachers conscientious efforts

More from Merriam-Webster on conscientious

Nglish: Translation of conscientious for Spanish Speakers

Britannica English: Translation of conscientious for Arabic Speakers


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