Definition of adjoin in English:



[with object]
  • 1Be next to and joined with (a building, room, or piece of land)

    ‘the dining room adjoins a conservatory’
    • ‘To the right of the entrance hall lies a drawing room while to the left is the library, which in turn adjoins the dining room.’
    • ‘An archway leads through to the interconnecting conservatory which adjoins the dining room and has rear garden access.’
    • ‘The garda station adjoins the former mill site, which is the focal point of the Council's development and which they bought from Flahavan's last year.’
    • ‘I walked through the briefing room, which adjoined his office.’
    • ‘A small reception building with offices, reception and a room for tasting adjoins the bottling plant, reasserting a sense of human scale after the magnitude of the industrial spaces.’
    • ‘He presumed they exited through the conference room which adjoined his office and went down the stairwell.’
    • ‘The kitchen adjoins the dining room and houses another dining area.’
    • ‘The kitchen, which adjoins the dining room, is fitted with a good range of built-in floor and wall presses as well as a breakfast bar, illuminated worktops, a tiled splashback and double sink.’
    • ‘More unusually, there is an observation deck forward that adjoins this room, ideal when entering or leaving port.’
    • ‘The family bathroom adjoins this room and includes a bath with shower attachment, part-tiled walls and two large mirrors.’
    • ‘Backed up against the old stone wall, the building adjoins the main house and faces south across a newly planted garden.’
    • ‘We spent at least three hours putting everything where instructed in the living room, dining room and kitchen, which adjoined the dining room, separated by a breakfast bar.’
    • ‘Anyway this juice bar was set up on the sidewalk adjoining another store.’
    • ‘We have a field suitable for his needs, in exchange for which we would have his field, which adjoins our land.’
    • ‘The campus adjoins the conservation lands of the Sudbury Valley Trustees and Callahan State Park.’
    be next to, be adjacent to, border, 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
    connecting, connected, interconnecting, adjacent, abutting, neighbouring, bordering, next-door
    View synonyms
    1. 1.1archaic, technical Add or join something to.
      ‘to them were adjoined branches of trees’
      • ‘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’.