As a Noun: 1. The feeling you have when you are worried and nervous about something, especially because you think it will harm you or do something very unpleasant. English = fear. 2. A sudden feeling of fear. English = fright. As a Verb or Adjective: 1. To be worried and nervous about something, especially because you think it will harm you or do something very unpleasant. English = (be) scared, (be) frightened, (be) afraid; fear something. 2. To make someone feel fear. English = scare someone, frighten someone.