why not

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See also: why-not



why not (not comparable)

  1. Why is that not true?
    I don't want to go out today. — Why not?
  2. Used to state that one has no objection to and approves of a proposal.
    Let's have pizza for lunch. — Yes, why not?
  3. Used to introduce a proposal.
    Why not try turning the handle in the other direction to see if that opens the window?