- being in contact; connected or neighbouring
WordReference Random House Unabridged Dictionary of American English © 2026
ad•join•ing
(ə joi′ning),USA pronunciation adj.
- being in contact at some point or line;
located next to another;
bordering;
contiguous:the adjoining room; a row of adjoining town houses.
- adjoin + -ing2 1485–95
- 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.
- separated.
Collins Concise English Dictionary © HarperCollins Publishers::
adjoining /əˈdʒɔɪnɪŋ/ adj
ad•join /əˈdʒɔɪn/USA pronunciation
v.
WordReference Random House Unabridged Dictionary of American English © 2026- to be close to or in contact (with);
abut: [no object]Our rooms in the hotel adjoined.[~ + object]The lobby adjoined the dining room.
ad•join
(ə join′),USA pronunciation v.t.
v.i.
- to be close to or in contact with;
abut on:His property adjoins the lake. - to attach or append;
affix.
v.i.
- to be in connection or contact:the point where the estates adjoin.
- Middle French ajoindre. See ad-, join
- Middle English a(d)joinen 1275–1325
Collins Concise English Dictionary © HarperCollins Publishers::
adjoin /əˈdʒɔɪn/ vb
- to be next to (an area of land, etc)
- (transitive) followed by to: to join; affix or attach
'adjoining' also found in these entries (note: many are not synonyms or translations):
abutter
- adjacent
- annulet
- barnyard
- Blantyre-Limbe
- Bootle
- Breed's Hill
- chine
- croft
- Dalian
- forequarters
- free port
- garden
- Hippo Regius
- Ho Chi Minh City
- homestead
- Kalgoorlie
- Khartoum
- lagoon
- lean-to
- Mexicali
- next
- pantile
- party wall
- patio
- Piraeus
- playground
- plywood
- Quezon City
- Salé
- servitude
- split-level
- Tanjungpriok
- yard
- adj.
- Amazonian
- amphithalamus
- amygdala
- arris
- back lot
- backsplice
- back to back
- bay
- Belgravia
- boundary
- boxball
- Bunker Hill
- by
- cant strip
- champaign