detrimental

• "damaging to career and reputation"
• "the reporter's coverage resulted in prejudicial publicity for the defendant"

Synonyms

• damaging(sometimes followed by `to') causing harm or injury; designed or tending to discredit, especially without positive or helpful suggestions
• prejudicial(sometimes followed by `to') causing harm or injury; tending to favor preconceived ideas
• prejudicioustending to favor preconceived ideas; (sometimes followed by `to') causing harm or injury