- present participle of adjoin.
adjoining
Americanadjective
adjective
Synonym Usage
Adjoining, adjacent, bordering all mean near or close to something. Adjoining implies touching, having a common point or line: an adjoining yard. Adjacent implies being nearby or next to something else: all the adjacent houses; adjacent angles. Bordering means having a common boundary with something: the farm bordering on the river.
Other Word Forms
Etymology
Origin of adjoining
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.
The change in elevation from the waterfront at sea level to Genoa’s mountainous hinterland approaches 6,000 feet, and variations between adjoining neighborhoods can be as much as several hundred feet.
From The Wall Street Journal ● Aug. 23, 2026
France has evacuated 250,000 people from at-risk areas, mostly in the Gironde region but also in the adjoining Landes region, where another wildfire was "better contained but not yet stopped", according to authorities.
From Barron's ● Jul. 26, 2026
Later, groups of male prisoners, and women from an adjoining unit, climbed on to prison rooftops demanding to be released.
From BBC ● Jul. 6, 2026
Three indoor privies were lighted by skylights and ingeniously ventilated by a 150-foot-long lateral tunnel that drew in air and discharged it through adjoining chimneys, providing a continuous draft.
From The Wall Street Journal ● Jun. 19, 2026
The Museum and Library were therefore either located within or adjoining the Beta quarter.
From "Circumference" by Nicholas Nicastro
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.