Meaning of “conscientious” in the English Dictionary

"conscientious" in British English

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conscientiousadjective

uk /ˌkɒn.ʃiˈen.ʃəs/ us /ˌkɑːn.ʃiˈen.ʃəs/
conscientiously
adverb uk /ˌkɒn.ʃiˈen.ʃəs.li/ us /ˌkɑːn.ʃiˈen.ʃəs.li/
conscientiousness
noun [ U ] uk /ˌkɒn.ʃiˈen.ʃəs.nəs/ us /ˌkɑːn.ʃiˈen.ʃəs.nəs/

(Definition of “conscientious” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"conscientious" in American English

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conscientiousadjective

us /ˌkɑn·ʃiˈen·ʃəs/

feeling a moral responsibility to do your work carefully and to be fair to others:

She was a conscientious worker, and I’ll miss her.

(Definition of “conscientious” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"conscientious" in Business English

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conscientiousadjective

uk /ˌkɒnʃiˈenʃəs/ us

serious about your work and putting a lot of effort into doing it in a careful way:

Greg Smith is a conscientious and dedicated worker who will be an asset to your company.
conscientiously
adverb

Employees are expected to carry out their duties conscientiously.
conscientiousness
noun [ U ]

The study examines the relationship between conscientiousness and flexibility, and their effect on performance.

(Definition of “conscientious” from the Cambridge Business English Dictionary © Cambridge University Press)