[ 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

First recorded in 1485–95; adjoin + -ing2
ANTONYMS FOR adjoining
Related formsnon·ad·join·ing, adjectiveun·ad·join·ing, adjective
Can be confusedadjacent adjoining (see synonym study at the current entry)

Synonym study

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.

Definition for adjoining (2 of 2)


[ 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.

Origin of adjoin

1275–1325; Middle English a(d)joinen < Middle French ajoindre. See ad-, join
Related formsun·ad·joined, adjective
Can be confusedadjoin adjourn Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for adjoining

British Dictionary definitions for adjoining (1 of 2)


/ (əˈdʒɔɪnɪŋ) /


being in contact; connected or neighbouring

British Dictionary definitions for adjoining (2 of 2)


/ (əˈdʒɔɪn) /


to be next to (an area of land, etc)
(tr foll by to) to join; affix or attach

Word Origin for adjoin

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

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