con·​sci·​en·​tious·​ness | \ ˌkän(t)-shē-ˈen(t)-shəs-nəs How to pronounce conscientiousness (audio) \
plural conscientiousnesses

Definition of conscientiousness

: the condition or quality of being conscientious Apparently, the secret to a happy, healthy adulthood is learning early on to deal with disappointment and developing character traits—persistence, curiosity, conscientiousness, optimism, and self-control—to surmount it.— Deanna Pan Not surprisingly, they have found that people blessed with innate conscientiousness, meaning that they are organized and predictable, typically eat better and live longer than people who are disorderly.— Gretchen Reynolds

First Known Use of conscientiousness

circa 1631, in the meaning defined above

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The first known use of conscientiousness was circa 1631

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Cite this Entry

“Conscientiousness.” The Dictionary, Merriam-Webster Inc., Accessed 10 December 2019.

More from Merriam-Webster on conscientiousness

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Britannica English: Translation of conscientiousness for Arabic Speakers

Comments on conscientiousness

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


to state or do over again or repeatedly

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