1.(sometimes followed by 'to') causing harm or injury - damaging to career and reputation - the reporter's coverage resulted in prejudicial publicity for the defendant • Syn: damaging, detrimental, prejudicial • Similar to: harmful • Derivationally related forms: detriment (for: detrimental) 2. tending to favor preconceived ideas - the presence of discriminatory or prejudicial attitudes in the white population • Syn: prejudicial • Pertains to noun: prejudice, prejudice (for: prejudicial) • Derivationally related forms: prejudice, prejudice (for: prejudicial)