sit in on

phrasal verb
Updated on: 15 Nov 2017

Definition of sit in on

: to attend (something, such as a class or meeting) without officially participating
  • She's been asked to sit in on the meetings.

Word by Word Definitions

sit play
  1. : to rest on the buttocks or haunches

  2. : perch, roost

  3. : to occupy a place as a member of an official body

  1. : the manner in which a garment fits

  2. : an act or period of sitting


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