prejudger
/priˈdʒʌdʒər/
noun
- A person who forms an opinion or judgment about someone or something before having enough information or experience.
- In court, a good juror must avoid being a prejudger and wait for all the evidence.
- He was known as a prejudger because he always decided who was right before hearing both sides of the story.
- She tries not to be a prejudger, but she sometimes assumes people are unfriendly before meeting them.