adjoin

verb

ad·​join ə-ˈjȯin How to pronounce adjoin (audio)
a-
adjoined; adjoining; adjoins
Synonyms of adjoinnext

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.
The company next captured images on March 4 showing impact sites on the school and adjoining former IRGC base, with a total of seven buildings damaged or destroyed. Julie Tsirkin, NBC news, 6 Mar. 2026 The two beds can also be adjoined into a single double bed with an optional kit. New Atlas, 19 Feb. 2026 When first responders arrived, heavy smoke filled the air and flames were observed in the front corner window of the first floor of a 16-unit apartment building which is adjoined to two other apartment buildings. Erik S. Hanley, jsonline.com, 17 Feb. 2026 Accessibility Massive Caesars does accessibility right with ramps adjoining its various levels, accessible guest rooms with lots of space for power wheelchairs, and moveable chairs at slots machines and table games. Andrea Bennett, Condé Nast Traveler, 10 Feb. 2026 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 12 Mar. 2026.

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

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