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adjacent

American  
[uh-jay-suhnt] / əˈdʒeɪ sənt /

adjective

  1. An image of the word adjacent as defined by lying near, close, or contiguous; adjoining; neighboring.

    lying near, close, or contiguous; adjoining; neighboring.

    a motel adjacent to the highway.

    Synonyms:
    touching
    Antonyms:
    distant
  2. just before, after, or facing.

    a map on an adjacent page.

  3. (used in combination)

    1. related or very close to a specified topic, activity, etc..

      While the comment was not outright racist, it was racist-adjacent.

    2. supporting or being an ally of a group or subculture without being a part of it.

      She describes herself as queer-adjacent.

    3. having the traits or interests of a group or subculture without being a part of it.

      Are they full-on geeks or just nerd-adjacent?


adjacent British  
/ əˈdʒeɪsənt /

adjective

  1. being near or close, esp having a common boundary; adjoining; contiguous

  2. maths

    1. (of a pair of vertices in a graph) joined by a common edge

    2. (of a pair of edges in a graph) meeting at a common vertex

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. geometry the side lying between a specified angle and a right angle in a right-angled triangle

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Synonym Usage

See adjoining.

Other Word Forms


Etymology

Origin of adjacent

First recorded in 1400–50; late Middle English, from Latin adjacent- (stem of adjacēns, present participle of adjacēre “to adjoin”), equivalent to ad- “toward” ( see ad-) + jac- “lie” + -ent- adjective suffix ( see -ent)


Explanation

Adjacent means close to or near something. You may consider the people up and down your street to be neighbors, but your next-door neighbor is the person who lives in the house or apartment adjacent to yours. Adjacent can refer to two things that touch each other or have the same wall or border. And the adjective is often followed by the preposition to: Her office is adjacent to mine. This word is from Latin adjacere "to lie near," from the prefix ad- "to" plus jacere "to lie, throw."

Keep Reading on Vocabulary.com

Vocabulary lists containing adjacent

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Twelve hours later, a landslide from the adjacent mountain unexpectedly collapsed into the fjord, initiating the second-highest tsunami in recorded history.

From Science Daily ● Oct. 19, 2026

The arrangement would allow the developer to build a short access road for a planned resort on an adjacent property.

From The Wall Street Journal ● Oct. 10, 2026

The cottage has gas-powered convection heaters, but in an adjacent barn a stack of firewood will help to keep Olena warm in the event of power cuts.

From BBC ● Oct. 9, 2026

Recently, crews completed another overpass over adjacent Agoura Road.

From Los Angeles Times ● Oct. 8, 2026

We’re outside the offices and labs adjacent to the Del Oro University Medical Center.

From "The Adoration of Jenna Fox" by Mary E. Pearson

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