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con·sci·en·tious

conscientious

 
pronunciation:
kan shi en shs
features:
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part of speech: adjective
definition: careful; precise.
He does conscientious work in school.
synonyms:
careful, meticulous, scrupulous
antonyms:
casual
similar words:
accurate, attentive, close, thorough, thoughtful
derivations: conscientiously (adv.), conscientiousness (n.)
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  care