fair, favourable
The teacher made a fair comment about my essay during the class discussion.
adverse, derogatory, disparaging, hostile, negative, sad, unfair, unfavourable
The manager's disparaging comments about the team's performance upset several players in the locker room.
critical
The teacher made several critical comments about the student's essay during the conference.
caustic, ironic, sarcastic, sardonic, scathing, wry
incisive, interesting, perceptive, shrewd
casual, off-the-cuff, passing, throwaway
She didn't mean to upset him, but her throwaway comment about his cooking really hurt his feelings.
editorial, official, personal, press, public
The company refused to make any official comment about the recent scandal.
political, social
The newspaper article included some sharp political comment about the election results.