if one knows what's good for one

idiom
Updated on: 15 Nov 2017

Definition of if one knows what's good for one

: if a person wants to avoid trouble, problems, etc.
  • You'll take my advice if you know what's good for you.
  • She'll forget about the whole thing if she knows what's good for her.

Word by Word Definitions

know play knows
  1. : to perceive directly : have direct cognition of

  2. : to have understanding of

  3. : to recognize the nature of : discern

  1. : knowledge

what play
  1. used as an interrogative expressing inquiry about the identity, nature, or value of an object or matter

  2. often used to ask for repetition of an utterance or part of an utterance not properly heard or understood

  3. : who

  1. : why

  2. : in what respect : how

  1. used as an interrogative expressing inquiry about the identity, nature, or value of a person, object, or matter

  2. : how remarkable or striking for good or bad qualities

  3. : whatever

good play
  1. : of a favorable character or tendency

  2. : bountiful, fertile

  3. : handsome, attractive

  1. : something that is good

  2. : something conforming to the moral order of the universe

  3. : praiseworthy character : goodness

  1. : well

  2. used as an intensive


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