- damaging, detrimental, prejudicial, prejudicious - (sometimes followed by `to') causing harm or injury; "damaging to career and reputation"; "the reporter's coverage resulted in prejudicial publicity for the defendant"
Antonym: harmless (indirect, via harmful)
- damaging, negative - designed or tending to discredit, especially without positive or helpful suggestions; "negative criticism"
Antonym: constructive (indirect, via destructive)