Synonyms of adjoin

adjoin

verb

ə-ˈjȯin 

1

as in to join

to be adjacent to

the bedroom of their apartment adjoins their neighbor's living room

Synonyms & Similar Words

• join
• flank
• surround
• neighbor
• touch
• abut
• fringe
• march (with)
• verge (on)
• meet
• enclose
• bound
• border (on)
• butt (on or against)
• line
• fence
• connect (with)
• communicate (with)
• encircle
• skirt
• attach (to)
• link (with)
• converge
• margin
• contact
• embrace
• rim

2

as in to add

to join (something) to a mass, quantity, or number so as to bring about an overall increase

after the dictionary writer's talk, the principal adjoined a few remarks about her own love of words

Synonyms & Similar Words

• add
• annex
• append
• expand
• affix
• introduce
• tack (on)
• attach
• subjoin
• augment
• insert
• fasten
• tie
• increase
• extend
• compound
• inject
• multiply
• elongate
• enhance
• amplify
• graft
• complement
• reinforce
• enlarge
• infuse
• intensify
• tag
• prolong
• escalate
• aggrandize
• lengthen
• heighten
• enforce
• protract
• supply
• swell (up)
• maximize
• supplement
• magnify
• hitch
• strengthen
• beef (up)
• boost
• fix
• raise
• interfuse

Antonyms & Near Antonyms

• remove
• deduct
• separate
• subtract
• abate
• detach
• take off
• reduce
• cut
• sever
• disconnect
• diminish
• knock off
• lessen
• decrease
• lower
• bate
• excise
• disjoin
• curtail
• amputate
• abridge
• contract
• unfasten
• abbreviate
• shorten
• lop (off)
• cut back
• constrict
• compress
• condense
• retrench

Example Sentences

Recent Examples of adjoin

Each cabin showcases a unique colorway, custom finishes, and adjoining en suites with marble detailing. — Rachel Cormack, Robb Report, 23 July 2026

Then, another 20-year-old man, Daktari Rose Deacon, of Hyde Park, left a bathroom that adjoined the bedroom, according to police, who searched the bathroom and found another loaded firearm with an extended magazine. — Colleen Cronin, Boston Herald, 20 July 2026

Two double bedrooms and a single bedroom are tucked at the end of the main floor, and are adjoined by a large outdoor terrace. — Bridget Borgobello july 03, New Atlas, 4 July 2026

Flossmoor’s South Commuter Lot, which adjoins the village’s Metra station just steps from downtown, may be reimagined as a public park and community gathering space with the help of an Illinois Department of Natural Resources grant. — Evy Lewis, Chicago Tribune, 25 June 2026