Synonyms of adjoining

adjoining 1 of 2

adjective

ə-ˈjȯi-niŋ 

as in adjacent

having a border in common

the cows had broken through the fence and were grazing in the adjoining field

Synonyms & Similar Words

• adjacent
• neighboring
• closest
• contiguous
• bordering
• abutting
• joining
• flanking
• attached
• united
• juxtaposed
• conterminous
• fringing
• nearby
• nearest
• close
• touching
• linked
• connecting
• connected
• near
• surrounding
• flush
• next-door
• skirting
• verging
• joined
• communicating
• approximate
• fencing
• encircling
• immediate
• peripheral
• marginal
• enclosing
• bounding
• nigh
• embracing
• interconnecting
• circumjacent
• tangential
• ambient
• encompassing
• tangent
• rimming

Antonyms & Near Antonyms

• noncontiguous
• separate
• nonadjacent
• apart
• isolated
• single
• discrete
• detached
• unconnected
• free-standing
• distant
• unattached
• isolate
• unlinked
• disconnected
• remote
• removed
• farthest
• far
• away
• divided
• discontinuous
• split
• severed
• resolved
• noncontinuous
• far-off
• broken up
• parted
• faraway
• uncoupled
• dissociated
• divorced
• ramified
• disunited
• disjoined
• sundered
• dissevered
• unyoked

adjoining

2 of 2

verb

present participle of adjoin

1

as in neighboring

to be adjacent to

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

Synonyms & Similar Words

• neighboring
• flanking
• joining
• surrounding
• touching
• abutting
• marching (with)
• skirting
• bordering (on)
• verging (on)
• lining
• fringing
• butting (on or against)
• meeting
• connecting (with)
• attaching (to)
• communicating (with)
• linking (with)
• enclosing
• bounding
• encircling
• contacting
• converging
• embracing
• fencing
• rimming
• margining

2

as in adding

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

• adding
• annexing
• appending
• expanding
• introducing
• tacking (on)
• attaching
• subjoining
• affixing
• inserting
• increasing
• augmenting
• extending
• enlarging
• tying
• injecting
• grafting
• fastening
• supplying
• multiplying
• complementing
• enhancing
• infusing
• escalating
• lengthening
• amplifying
• reinforcing
• compounding
• elongating
• swelling (up)
• intensifying
• supplementing
• prolonging
• tagging
• fixing
• heightening
• enforcing
• hitching
• interfusing
• strengthening
• boosting
• protracting
• maximizing
• magnifying
• raising
• aggrandizing
• beefing (up)

Antonyms & Near Antonyms

• removing
• separating
• deducting
• subtracting
• taking off
• detaching
• disconnecting
• cutting
• knocking off
• reducing
• severing
• abating
• decreasing
• excising
• contracting
• diminishing
• lowering
• bating
• lessening
• disjoining
• curtailing
• shortening
• unfastening
• amputating
• abridging
• condensing
• cutting back
• compressing
• lopping (off)
• constricting
• abbreviating
• retrenching

Synonym Chooser

How is the word adjoining different from other adjectives like it?

Some common synonyms of adjoining are adjacent, contiguous, and juxtaposed. While all these words mean "being in close proximity," adjoining definitely implies meeting and touching at some point or line.

had adjoining rooms at the hotel

Where would adjacent be a reasonable alternative to adjoining?

While in some cases nearly identical to adjoining, adjacent may or may not imply contact but always implies absence of anything of the same kind in between.

a house with an adjacent garage

When is contiguous a more appropriate choice than adjoining?

While the synonyms contiguous and adjoining are close in meaning, contiguous implies having contact on all or most of one side.

offices in all 48 contiguous states

When might juxtaposed be a better fit than adjoining?

In some situations, the words juxtaposed and adjoining are roughly equivalent. However, juxtaposed means placed side by side especially so as to permit comparison and contrast.

a skyscraper juxtaposed to a church

Example Sentences

Recent Examples of adjoining

Adjective

Two adjoining spaces on the ground floor served as a newsroom filled with desks. — Cora Engelbrecht, New Yorker, 24 Aug. 2026

These federal spaceports include Cape Canaveral Space Force Station and NASA’s Kennedy Space Center, which sit on adjoining property in Florida. — Stephen Clark, ArsTechnica, 21 Aug. 2026

Verb

Safa Muhammad lives in the townhomes adjoining the lot, and attended the open house with some neighbors. — Evy Lewis, Chicago Tribune, 25 June 2026

Several suites are in the mix, including a Palace Roof Suite with swoon-worthy scenery from its waterfront terrace and a Bosphorus Palace Suite that can connect to adjoining rooms to create a three-bedroom royal residence. — Condé Nast, Condé Nast Traveler, 2 June 2026