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Definition of conscientiousness

conscientiousness

/ˌkɑːn.ʃiˈɛn.ʃəs.nəs/
con · sci · en · tious · ness

Adverb:conscientiously
•
Adjective:conscientious
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conscientiousness Lexical Profile

• noun

1

The quality of wishing to do one's work or duty well, thoroughly, and carefully.

Example

"Her remarkable conscientiousness in reviewing financial records prevented a costly accounting error."


2

In psychology, one of the five major dimensions of human personality, characterized by self-discipline, organization, dependability, and goal-directed behavior.

Example

"Longitudinal studies consistently link high levels of conscientiousness to academic achievement and career stability."


3

The quality of being governed by or conforming to the dictates of conscience; moral uprightness.

Example

"He acted with strict conscientiousness, refusing to compromise his ethical principles for short-term profit."

Synonyms
View all synonyms for conscientiousness
Antonyms
View all antonyms for conscientiousness

Word Nuance & Usage

Do not confuse 'conscientiousness' (the quality of being thorough, careful, and guided by moral duty) with 'consciousness' (the state of being awake and aware of one's surroundings).

• Rhymes for conscientiousness

Word Origin & Etymology

Formed in the early 17th century from 'conscientious' plus the suffix '-ness', ultimately tracing back to Medieval Latin 'conscientiosus' and Latin 'conscientia' ('joint knowledge' or 'moral sense').

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Conscientiousness. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/conscientiousness
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