Definition of adjoin in English:

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Pronunciation: /əˈdʒɔɪn/


[with object]
1Be next to and joined with (a building, room, or piece of land): the dining room adjoins a conservatory
More example sentences
  • I walked through the briefing room, which adjoined his office.
  • He presumed they exited through the conference room which adjoined his office and went down the stairwell.
  • An archway leads through to the interconnecting conservatory which adjoins the dining room and has rear garden access.
be next to, be adjacent to, border (on), neighbour, verge on, abut, butt up against, butt up to, bound on, be contiguous with, be connected to, communicate with, link up with, extend as far as, extend to;
join, conjoin, connect with/to, touch, meet
attached, joining, touching, meeting
rare conjoining, approximate, vicinal
1.1 archaic or technical Add or join something to: to them were adjoined branches of trees
More example sentences
  • In passing from C [x] to R J, we have first adjoined a free variable y, and then decreed that y be the multiplicative inverse of x.
  • The development will also adjoin a pub and restaurant, as well as being handy for the shops and other visitor attractions in Pier Road.


Middle English: from Old French ajoindre, from Latin adjungere, from ad- 'to' + jungere 'to join'.

Words that rhyme with adjoin

Boulogne, coign, coin, conjoin, Des Moines, Dordogne, enjoin, groin, groyne, join, loin, purloin, quoin, subjoin

For editors and proofreaders

Line breaks: ad¦join

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