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.
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 Worden was found dead later that night in a woodshed adjoining Gein's house, hanging from her heels. Jessica Sager, PEOPLE, 6 Oct. 2025 The new department will be located in what was previously Children's Wisconsin's emergency department, where the two hospitals are adjoined. Sarah Volpenhein, jsonline.com, 3 Oct. 2025 Her son, later identified as now 30-year-old Martin Caballero-Diaz, was found in the bathroom at the front adjoining home and detained, officials said. Paloma Chavez, Sacbee.com, 3 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 17 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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