[ kon-shee-en-shuhs, kon-see- ]
/ ˌkɒn ʃiˈɛn ʃəs, ˌkɒn si- /


governed by conscience; controlled by or done according to one's inner sense of what is right; principled: She's a conscientious judge, who does not let personal prejudices influence her decisions.
careful and painstaking; particular; meticulous; scrupulous: conscientious application to the work at hand.

Origin of conscientious

1605–15; < Medieval Latin conscientiōsus, equivalent to Latin conscienti(a) conscience + -ōsus -ous

OTHER WORDS FROM conscientious

Example sentences from the Web for conscientious

British Dictionary definitions for conscientious

/ (ˌkɒnʃɪˈɛnʃəs) /


involving or taking great care; painstaking; diligent
governed by or done according to conscience

Derived forms of conscientious

conscientiously, adverb conscientiousness, noun