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Synonyms

confine

American  
[kuhn-fahyn, kon-fahyn] / kənˈfaɪn, ˈkɒn faɪn /

verb (used with object)

confined, confining
  1. to enclose within bounds; limit or restrict.

    She confined her remarks to errors in the report. Confine your efforts to finishing the book.

    Synonyms:
    circumscribe
    Antonyms:
    free
  2. to shut or keep in; prevent from leaving a place because of imprisonment, illness, discipline, etc..

    For that offense he was confined to quarters for 30 days.

    Antonyms:
    free

noun

  1. Usually confines. a boundary or bound; limit; border; frontier.

  2. Often confines. region; territory.

  3. Archaic. confinement.

  4. Obsolete. a place of confinement; prison.

confine British  

verb

  1. to keep or close within bounds; limit; restrict

  2. to keep shut in; restrict the free movement of

    arthritis confined him to bed

"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

noun

  1. (often plural) a limit; boundary

"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

Other Word Forms

  • confinable adjective
  • confineable adjective
  • confineless adjective
  • confiner noun
  • nonconfining adjective
  • preconfine verb (used with object)
  • quasi-confining adjective
  • reconfine verb (used with object)
  • self-confining adjective
  • unconfinable adjective
  • unconfining adjective

Etymology

Origin of confine

1350–1400 for noun; 1515–25 for v.; (noun) Middle English < Middle French confins, confines < Medieval Latin confinia, plural of Latin confinis boundary, border ( con-, fine 2 ); (v.) < Middle French confiner, verbal derivative of confins < Latin, as above

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"There's nobody out here to watch over you or help you or confine you. You're kind of on your own," Glaser said.

From Barron's • Mar. 8, 2026

The harsh environment would confine people to domes or underground shelters, where boredom and isolation would be real dangers.

From The Wall Street Journal • Feb. 19, 2026

Furthermore, we’re going to confine those categories very narrowly.

From Slate • Jan. 26, 2026

The best hope for the Fed, then, is to get inflation low and confine annual price increases to a stable and narrow range.

From MarketWatch • Jan. 23, 2026

Halleck issued an order: If the assassins are caught, put them in double irons and take them to the commander of the Washington Navy Yard, who will confine them to a monitor warship anchored there.

From "Chasing Lincoln's Killer" by James L. Swanson