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[uh-joi-ning] /əˈdʒɔɪ nɪŋ/
being in contact at some point or line; located next to another; bordering; contiguous:
the adjoining room; a row of adjoining town houses.
Origin of adjoining
1485-95; adjoin + -ing2
Related forms
nonadjoining, adjective
unadjoining, adjective
Can be confused
adjacent, adjoining (see synonym study at the current entry)
Adjoining, adjacent, bordering all mean near or close to something. Adjoining implies touching, having a common point or line: an adjoining yard. Adjacent implies being nearby or next to something else: all the adjacent houses; adjacent angles. Bordering means having a common boundary with something: the farm bordering on the river.


[uh-join] /əˈdʒɔɪn/
verb (used with object)
to be close to or in contact with; abut on:
His property adjoins the lake.
to attach or append; affix.
verb (used without object)
to be in connection or contact:
the point where the estates adjoin.
1275-1325; Middle English a(d)joinen < Middle French ajoindre. See ad-, join
Related forms
unadjoined, adjective
Can be confused
adjoin, adjourn. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for adjoining
  • Yesterday's papers reported the sales of two houses adjoining each other for more than a million dollars.
  • We did not find a pair of tenure-track jobs at adjoining universities.
  • The city council agreed to build an access road to the hospital on an adjoining plot.
  • Paintings and more economically-priced handicrafts are sold in the adjoining plazas.
  • For one it is safer for people in an adjoining room.
  • College officials saved the adjoining corner site, once occupied by an animal hospital, for the new performing-arts center.
  • They usually move incrementally, from field to adjoining field, needing wet weather to thrive.
  • To see what you're trying to shoot, you peer through one of two holes on adjoining sides of the box.
  • The poor, crowded favelas supply drugs to adjoining prosperous quarters.
  • Farmers play cards at the next table and snooker in the adjoining room.
British Dictionary definitions for adjoining


being in contact; connected or neighbouring


to be next to (an area of land, etc)
(transitive) foll by to. to join; affix or attach
Word Origin
C14: via Old French from Latin adjungere, from ad- to + jungere to join
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
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Word Origin and History for adjoining



c.1300, "unite, ally" from Old French ajoin- stem of ajoindre "join together, unite," from Latin adjungere "fasten on, harness, join to," from ad- "to" (see ad-) + jungere "to bind together" (see jugular). Meaning "be contiguous with, be adjacent to" is from late 14c. Related: Adjoined; adjoining.

Online Etymology Dictionary, © 2010 Douglas Harper
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