English

Definition of fool verb from the Oxford Advanced Learner's Dictionary

     

    fool

     verb
    verb
    BrE BrE//fuːl//
     
    ; NAmE NAmE//fuːl//
     
    Verb Forms present simple I / you / we / they fool
    BrE BrE//fuːl//
     
    ; NAmE NAmE//fuːl//
     
    he / she / it fools
    BrE BrE//fuːlz//
     
    ; NAmE NAmE//fuːlz//
     
    past simple fooled
    BrE BrE//fuːld//
     
    ; NAmE NAmE//fuːld//
     
    past participle fooled
    BrE BrE//fuːld//
     
    ; NAmE NAmE//fuːld//
     
    -ing form fooling
    BrE BrE//ˈfuːlɪŋ//
     
    ; NAmE NAmE//ˈfuːlɪŋ//
     
    Dishonest
     
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  1. 1[transitive] to trick somebody into believing something that is not true fool somebody You don't fool me! She certainly had me fooled—I really believed her! fool yourself You're fooling yourself if you think none of this will affect you. fool somebody into doing something Don't be fooled into thinking they're going to change anything. See related entries: Dishonest
  2. 2[intransitive] to say or do stupid or silly things, often in order to make people laugh fool (about/around) Stop fooling around and sit down! fool (about/around) with something If you fool about with matches, you'll end up getting burned.
  3. Word Originverb Middle English: from Old French fol ‘fool, foolish’, from Latin follis ‘bellows, windbag’, by extension ‘empty-headed person’.Extra examples He fooled them into thinking he was a detective. I’m not easily fooled by anyone, least of all you. She had me completely fooled for a moment. She’s not easily fooled. You can’t fool me with all that nonsense! Ha! Fooled you! You really thought I was going to jump, didn’t you? Just don’t be fooled into investing any money with them. You’re fooling yourself if you think none of this will affect you.Idioms
    you could have fooled me
     
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    (informal) used to say that you do not believe something that somebody has just told you ‘I'm trying as hard as I can!’ ‘You could have fooled me!’
    Phrasal Verbsfool around
See the Oxford Advanced American Dictionary entry: fool