English

Definition of uncle noun from the Oxford Advanced Learner's Dictionary

      

    uncle

     noun
    noun
    BrE BrE//ˈʌŋkl//
     
    ; NAmE NAmE//ˈʌŋkl//
     
    Relations
     
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  1. 1  the brother of your mother or father; the husband of your aunt Uncle Ian I'm going to visit my uncle. I've just become an uncle (= because your brother/sister has had a baby). See related entries: Relations
  2. 2used by children, with a first name, to address a man who is a close friend of their parents See related entries: Relations
  3. Word Origin Middle English: from Old French oncle, from late Latin aunculus, alteration of Latin avunculus ‘maternal uncle’, diminutive of avus ‘grandfather’.Extra examples He looks so much like his late uncle. The boss smiled at us all like a benevolent uncle. the fortune left to her by her dead uncleIdioms (British English, informal) used to say how easy and quick it is to do a particular task Press here and Bob's your uncle! It's disappeared.
See the Oxford Advanced American Dictionary entry: uncle