Formal term describing a person or attitude that is meticulously honest, upright, and careful in conduct. Often used in written or formal contexts.
He has a conscientious character and is trusted by everyone.
Carry out one's duties scrupulously.
Compound of 謹 (kin, 'respectful, cautious') and 直 (choku, 'straight, honest'). The exact historical derivation is uncertain, but the combination conveys a sense of careful, upright conduct.