American English

Definition of uncle noun from the Oxford Advanced American Dictionary



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  1. 1the brother of your mother or father; the husband of your aunt Uncle John I'm going to visit my uncle. I've just become an uncle (= because your brother/sister has had a baby).
  2. 2used by children, with a first name, to address a man who is a close friend of their parents
  3. Idioms
    cry/say uncle (informal)
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    to admit that you have been defeated in a fight and want to give up The older boys made Jimmy cry uncle.
See the Oxford Advanced Learner's Dictionary entry: uncle