sit-in

[ sit-in ]
/ ˈsɪtˌɪn /

noun

any organized protest in which a group of people peacefully occupy and refuse to leave a premises: Sixty students staged a sit-in outside the dean's office.
an organized passive protest, especially against racial segregation, in which the demonstrators occupy seats prohibited to them, as in restaurants and other public places.

Origin of sit-in

1955–60; noun use of verb phrase sit in (a place); cf. sit1, -in3

Definition for sit in (2 of 2)

sit

1
[ sit ]
/ sɪt /

verb (used without object), sat or (Archaic) sate; sat or (Archaic) sit·ten; sit·ting.


verb (used with object), sat or (Archaic) sate; sat or (Archaic) sit·ten; sit·ting.

Verb Phrases

Origin of sit

1
before 900; Middle English sitten, Old English sittan; cognate with Dutch zitten, German sitzen, Old Norse sitja; akin to Gothic sitan, Latin sedēre, Greek hézesthai (base hed-); cf. set, sedate, cathedral, nest

Can be confused

set sit (see usage note at set)

Usage note

See set.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for sit in (1 of 3)

SIT

/ text messaging /

abbreviation for

stay in touch

British Dictionary definitions for sit in (2 of 3)

sit

/ (sɪt) /

verb sits, sitting or sat (mainly intr)


Word Origin for sit

Old English sittan; related to Old Norse sitja, Gothic sitan, Old High German sizzen, Latin sedēre to sit, Sanskrit sīdati he sits

British Dictionary definitions for sit in (3 of 3)

sit-in

noun

a form of civil disobedience in which demonstrators occupy seats in a public place and refuse to move as a protest
another term for sit-down strike

verb sit in (intr, adverb)

(often foll by for) to deputize (for)
(foll by on) to take part (in) as a visitor or guestwe sat in on Professor Johnson's seminar
to organize or take part in a sit-in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Idioms and Phrases with sit in (1 of 2)

sit in

1

Attend or take part as a visitor, as in My son's jazz group asked me to sit in tonight. It is often put as sit in on, as in They asked me to sit in on their poker game. [Mid-1800s]


2

Take part in a sit-in, that is, an organized protest in which seated participants refuse to move. For example, The students threatened to sit in unless the dean was reinstated. [c. 1940]

3

sit in on. Visit or observe, as in I'm sitting in on his class, but not for credit. [Early 1900s]

4

sit in for. Substitute for a regular member of a group, as in I'm just sitting in for Harold, who couldn't make it.

Idioms and Phrases with sit in (2 of 2)

sit

In addition to the idioms beginning with sit

  • sit at one's feet
  • sit back
  • sit bolt upright
  • sit by
  • sit down
  • sit in
  • sit on
  • sit on one's hands
  • sit out
  • sit pretty
  • sit through
  • sit tight
  • sit up
  • sit well with

also see:

  • at a sitting

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.