conscientious
adjUK /ˌkɒn.ʃiˈɛn.ʃəs/ · US /ˌkɑn.ʃiˈɛn.ʃəs/
Etymology From Middle French conscientieux, from Medieval Latin cōnscientiōsus. Its English equivalent could possibly be analyzed as conscient + -ous. See more at conscience.
1
Thorough, careful, or vigilant in one’s task performance; painstaking.
- He was a thoughtful and conscientious worker.
2
Influenced by conscience; principled; governed by a strict regard to the dictates of conscience, or by the known or supposed rules of right and wrong (said of a person).
- The advice of wise and conscientious people.
- Antonyms
- capricious, impulsive, thoughtless
- Derived terms
- conscientiously, conscientiousness, conscientious objection, conscientious objector, hyperconscientious, nonconscientious, overconscientious, ultraconscientious, unconscientious
- Related terms
- conscience