know best

variants: or know what's best

Definition of know best

:to know or understand better than someone else what should be done
  • I would take the highway myself, but you live here so you know best.
  • I'll do whatever you say. You know what's best.

Word by Word Definitions

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

  2. : to have understanding of

  3. : to recognize the nature of : discern

  1. : knowledge

best play
  1. : superlative of good

  2. : excelling all others

  3. : most productive of good : offering or producing the greatest advantage, utility, or satisfaction

  1. : superlative of well

  2. : in the best (see 1best) way : to greatest advantage

  3. : most

  1. : the best (see 1best) state or part

  2. : one that is best

  3. : the greatest degree of good or excellence

  1. : to get the better of : outdo

  1. : had best (see 2best 1)


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