Definition of conscientious adjective from the Oxford Advanced American Dictionary

 

conscientious

 adjective
adjective
NAmE//ˌkɑnʃiˈɛnʃəs//
 
 
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taking care to do things carefully and correctly a conscientious student/teacher/worker He was thorough and conscientious, rather than brilliant.
conscientiously
 
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adverb She performed all her duties conscientiously.
conscientiousness
 
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noun [uncountable]
See the Oxford Advanced Learner's Dictionary entry: conscientious

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