adj
conscientious
kon-shee-EHN-shuhs
adj
1
Careful, thorough, and diligent in doing one's work or duties.
"She's a conscientious student who never misses a deadline."
"The conscientious nurse double-checked every dosage before administering it."
How to Use Conscientious
Learner’s notesIn plain EnglishCareful and dutiful — someone who takes their responsibilities seriously.
Common pairings
a conscientious worker
conscientious objector
conscientious effort
Word Forms
more conscientious comparative, most conscientious superlative
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She's a _____ student who never misses a deadline.
Etymology
From Middle French "conscientieux," ultimately related to "conscience" — the sense of being guided by a strong moral sense of duty.