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

And for convenience and comfort alike, the Fairmont Scottsdale Princess resort adjoins the course and is the veritable lap of luxury. Passport: Explore the finest destinations and experiences around the world in the Forbes Passport newsletter. —David Weiss, Forbes, 7 Mar. 2025

The apartment complex adjoins both Trailridge Middle School and Kansas College of Nursing. —Ilana Arougheti, Kansas City Star, 27 Feb. 2025

Clearwater Analytics is an investment accounting, reporting and analytics software company headquartered in a nine-story building adjoining the Grove Plaza at 777 W. Main St. in Boise. —Angela Palermo, Idaho Statesman, 12 Feb. 2025

The two homes do not immediately adjoin Loyola’s campus. —Bob Goldsborough, Chicago Tribune, 3 Feb. 2025

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

Rhymes for adjoin

• benzoin
• bitcoin
• conjoin
• enjoin
• fibroin
• rejoin
• sirloin
• subjoin
• coin
• coyne
• groin
• join

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