adjoin

verb

ad·​join ə-ˈjȯin 

a-

adjoined; adjoining; adjoins

transitive verb

1

: to add or attach by joining

2

: to lie next to or in contact with

intransitive verb

: to be close to or in contact with one another

Synonyms

• abut
• border (on)
• butt (on or against)
• flank
• fringe
• join
• march (with)
• neighbor
• skirt
• touch
• verge (on)

Examples of adjoin in a Sentence

Her office adjoins the library.

The two rooms adjoin each other.

Recent Examples on the Web

Photo : Sterling Reed The adjoining office and sitting area on the entry level. —Demetrius Simms, Robb Report, 2 Dec. 2024

Archways divide the main dining room into intimate pockets of elegance, while the adjoining bar, with its gleaming red marble counter, invites lingering late into the night. —Tom Rogers, Newsweek, 26 Nov. 2024

Plans also call for a private development adjoining the market, although specific details were not discussed on Monday. —Sarah Ritter, Kansas City Star, 2 July 2024

Some shots flew into a next-door neighbor’s adjoining apartment. —Dylan Lovan, Los Angeles Times, 2 Nov. 2024

Word History

Etymology

Middle English ajoynen, adjoynen, borrowed from Anglo-French ajoindre, going back to Latin adjungere "to link up, yoke, add, attach," from ad- ad- + jungere "to join entry 1"

First Known Use

14th century, in the meaning defined at transitive sense 1

Kids Definition

adjoin

verb

ad·​join ə-ˈjȯin 

a-

1

: to add or attach by joining

2

: to lie next to or in contact with