American English

Definition of wise adjective from the Oxford Advanced American Dictionary

      

    wise

     adjective
    adjective
    NAmE//waɪz//
     
    (wiser, wisest)
     
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  1. 1(of people) able to make sensible decisions and give good advice because of the experience and knowledge that you have a wise old man I'm older and wiser after ten years in the business.
  2. 2(of actions and behavior) sensible; based on good judgment a wise decision synonym prudent It was very wise to leave when you did. The wisest course of action is just to say nothing. I was grateful for her wise counsel.
  3.  
    adverb She nodded wisely. He wisely decided to tell the truth.
  4. Idioms
      be none the wiser, not be any the wiser
       
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    1. 1to not understand something, even after it has been explained to you I've read the instructions, but I'm still none the wiser.
    2. 2to not know or find out about something bad that someone has done If you put the money back, no one will be any the wiser.
    be wise after the event (often disapproving)
     
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    to understand something, or realize what you should have done, only after something has happened
    be wise in the ways of something
     
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    having knowledge in the subject mentioned We're wise in the ways of hurricane survival.
    be/get wise to somebody/something (informal)
     
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    to become aware that someone is being dishonest He thought he could fool me but I got wise to him.
    penny wise and pound foolish (saying)
     
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    used to say that someone does not spend their money well, paying too much for large purchases and trying to save money on small things
    put somebody wise (to something) (informal)
     
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    to inform someone about something
See the Oxford Advanced Learner's Dictionary entry: wise