adjoin

verb

ad·​join ə-ˈjȯin How to pronounce adjoin (audio)
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

Examples of adjoin in a Sentence

Her office adjoins the library. The two rooms adjoin each other.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
That’s because the Metro Nashville Council has approved a resolution that could help Metro Nashville Parks acquire approximately 308 more acres of land adjoining the park. Austin Hornbostel, Nashville Tennessean, 22 Oct. 2025 The northern regions of Chernihiv and Sumy – adjoining Russia and Belarus – have seen constant attacks over the past month. Tim Lister, CNN Money, 21 Oct. 2025 Starting closer to the trunk of your artificial tree, adjoin a small, real sprig to a fake branch with a few twists of wire. Audrey Lee, Architectural Digest, 20 Oct. 2025 Stein’s bedroom adjoined the room where Dodge would visit her lover at night; kept awake by the murmurings and moans, Stein lit a candle and composed a portrait of her host. Via Scribner, Literary Hub, 7 Oct. 2025 See All Example Sentences for adjoin

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

Time Traveler
The first known use of adjoin was in the 14th century

Browse Nearby Words

Cite this Entry

“Adjoin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/adjoin. Accessed 23 Oct. 2025.

Kids Definition

adjoin

verb
ad·​join ə-ˈjȯin How to pronounce adjoin (audio)
a-
1
: to add or attach by joining
2
: to lie next to or in contact with

More from Merriam-Webster on adjoin

Last Updated: - Updated example sentences
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