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
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Time Traveler for conscientiousness
The first known use of conscientiousness was circa 1631
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