know something inside out

idiom
Updated on: 15 Nov 2017

Definition of know something inside out

: to know something completely
  • She knows the business inside out.

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

something play
  1. : some indeterminate or unspecified thing

  2. : some indeterminate amount more than a specified number

  3. : a person or thing of consequence

  1. : in some degree : somewhat

  2. used as an intensive giving adverbial force to an adjective

inside play
  1. : an interior or internal part or place : the part within

  2. : inward nature, thoughts, or feeling

  3. : viscera, entrails

  1. : on the inner side

  2. : in or into the interior

  3. : to or on the inside

  1. : of, relating to, or being on or near the inside

  2. : relating or known to a select group

  3. : behind-the-scenes

  1. : in or into or as if in or into the interior of

  2. : on the inner side of

  3. : within

out play
  1. : in a direction away from the inside or center

  2. : outside

  3. : from among others

  1. : eject, oust

  2. : to identify publicly as being such secretly

  3. : to become publicly known

  1. used as a function word to indicate an outward movement

  1. : situated outside : external

  2. : out-of-bounds

  3. : situated at a distance : outlying

  1. : outside

  2. : one who is out of office or power or on the outside

  3. : an act or instance of putting a player out or of being put out in baseball

  1. : in a manner that exceeds or surpasses and sometimes overpowers or defeats


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