- 1prejudice somebody (against somebody/something) to influence someone so that they have an unfair or unreasonable opinion about someone or something synonym bias The prosecution lawyers have been trying to prejudice the jury against her.
- 2prejudice something (formal) to have a harmful effect on something Any delay will prejudice the child's welfare.
NAmE//ˈprɛdʒədəs//Verb Forms present simple I / you / we / they prejudice
he / she / it prejudices
past simple prejudiced
-ing form prejudicing