conscientious
adjective /ˌkɒnʃiˈenʃəs/
/ˌkɑːnʃiˈenʃəs/
- taking care to do things carefully and correctly
- a conscientious student/teacher/worker
- He was thorough and conscientious, rather than brilliant.
- She was a popular and conscientious teacher.
Oxford Collocations DictionaryConscientious is used with these nouns:- objection
Word Originearly 17th cent.: from French consciencieux, from medieval Latin conscientiosus, from Latin conscientia, from conscient- ‘being privy to’, from the verb conscire, from con- ‘with’ + scire ‘know’.