1. (

• 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" ;

2. (

• prejudicial ,
• prejudicious

) tending to favor preconceived ideas; "the presence of discriminatory or prejudicial attitudes in the white population" ;