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Definition of adjacent

adjacent

/əˈdʒeɪ.sənt/
ad · ja · cent

Adverb:adjacently
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adjacent Lexical Profile

adjacent Game Scores & Validity

• adjective

1

Next to or adjoining something else; situated in close proximity or sharing a border.

Example

"The conference will be held in the banquet hall and the two adjacent meeting rooms."


2

In geometry, having a common vertex and a common side (of angles), or sharing a common endpoint (of sides of a polygon).

Example

"To find the cosine of the angle, divide the length of the adjacent side by the length of the hypotenuse."

Synonyms
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Antonyms
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Word Nuance & Usage

'Adjacent' means lying near or next to something, which may or may not involve actual physical contact, whereas 'adjoining' and 'contiguous' strictly imply touching or sharing a common border. When used with a complement, it is almost always followed by the preposition 'to'.

• Rhymes for adjacent

Word Origin & Etymology

Borrowed in the late Middle English period from Latin 'adiacentem', the present participle of 'adiacere' ('to lie near or border upon'), formed from 'ad-' ('to, near') and 'iacere' ('to lie, rest').

Cite this Entry


Wordmom. (2026). Definition of Adjacent. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/adjacent
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