ad·​join | \ ə-ˈjȯin How to pronounce adjoin (audio) , a- \
adjoined; adjoining; adjoins

Definition of adjoin

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 Located on 1,100 acres that adjoin national forest and public land, this resort acts as a retreat into the Southwestern wilderness. Outside Online, 12 Feb. 2014 The three counties adjoin others where chronic wasting disease cases previously have been found. Lisa Hammersly, Arkansas Online, 3 Jan. 2022 Brightline has selected a route that would adjoin State Road 417 through the Hunter’s Creek community, and then run alongside Interstate 4 to a stop at Walt Disney World and a station in Tampa. Kevin Spear,, 10 Aug. 2021 Liberty County and its county seat of Hinesville, which adjoin Fort Stewart south of Savannah, have reimposed such rules. Jeff Amy, ajc, 26 July 2021 When a new owner appears, the city will have to balance its goals of affordability, community engagement and stewardship, both of the environment and of existing neighborhoods that adjoin the campus. John Reinan, Star Tribune, 10 Apr. 2021 Nearby state parks that adjoin the Pescadero Creek Complex are reopening in different stages. Tom Stienstra,, 14 Oct. 2020 Treehouse had just started leasing in December, and the pandemic threatened to scare new renters away from its millennial commune, where 60 private bedrooms adjoin communal space for eating, working, and hanging out. Arielle Pardes, Wired, 2 Oct. 2020 The emergency was lifted Thursday for Osaka and the two adjoining prefectures of Kyoto and Hyogo, and now remains in place in Tokyo and surrounding prefectures, as well as for the northern island of Hokkaido. Gearoid Reidy,, 26 May 2020 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'adjoin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of adjoin

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

History and Etymology for adjoin

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"

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

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Last Updated

8 Aug 2022

Cite this Entry

“Adjoin.” Dictionary, Merriam-Webster, Accessed 19 Aug. 2022.

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More Definitions for adjoin


ad·​join | \ ə-ˈjȯin How to pronounce adjoin (audio) \
adjoined; adjoining

Kids Definition of adjoin

: to be next to or in contact with The two rooms adjoin each other.

More from Merriam-Webster on adjoin

Nglish: Translation of adjoin for Spanish Speakers

Britannica English: Translation of adjoin for Arabic Speakers


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