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

Word History

First Known Use

circa 1631, in the meaning defined above

Time Traveler
The first known use of conscientiousness was circa 1631

Dictionary Entries Near conscientiousness

Cite this Entry

“Conscientiousness.” Dictionary, Merriam-Webster, Accessed 7 Feb. 2023.

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