be·come / biˈkəm/ • v. (past -came; past part. -come) 1. [intr.] begin to be: they became angry it is becoming clear that we are in a totally new situation. ∎ grow to be; turn into: the child will become an adult. ∎ (of a person) qualify or be accepted as; acquire the status of: she wanted to become a doctor. ∎ (become of) (in questions) happen to: what would become of her now?2. [tr.] (of clothing) look good on or suit (someone): the dress becomes her. ∎ be appropriate or suitable to (someone): minor celebrity status did not become him.