not someone's concern

idiom
variants: or none of someone's concern or no concern of someone's
Updated on: 15 Nov 2017

Definition of not someone's concern

:not something one is responsible for or involved in
  • Her affairs are not my concern.
  • That's no concern of yours.

Word by Word Definitions

someone play
  1. : some person : somebody

concern play
  1. : to relate to : be about

  2. : to bear on

  3. : to have an influence on : involve

  1. : marked interest or regard usually arising through a personal tie or relationship

  2. : an uneasy state of blended interest, uncertainty, and apprehension

  3. : something that relates or belongs to one : affair


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