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

The adjoining family room seamlessly connects the kitchen and breakfast area, creating a comfortable gathering space. —Judi Wright, Dallas Morning News, 29 Mar. 2026

Book Early, Especially for Families Family-friendly accommodations like adjoining rooms, suites, and vacation rentals sell out faster than standard rooms. —Lauren Schuster, Kansas City Star, 25 Mar. 2026

Book Early and Book Smart Family-friendly accommodations like adjoining rooms, suites, and vacation rentals sell out faster than standard rooms. —Lauren Schuster, Fort Worth Star-Telegram, 25 Mar. 2026

Book Early and Plan Smart Family-friendly accommodations like adjoining rooms, suites, and vacation rentals sell out faster than standard rooms. —Lauren Schuster, Charlotte Observer, 25 Mar. 2026