adventitious
Americanadjective
-
associated with something by chance rather than as an integral part; extrinsic.
-
Botany, Zoology. appearing in an abnormal or unusual position or place, as a root.
adjective
-
added or appearing accidentally or unexpectedly
-
(of a plant or animal part) developing in an abnormal position, as a root that grows from a stem
Other Word Forms
- adventitiously adverb
- adventitiousness noun
- nonadventitious adjective
- nonadventitiously adverb
- nonadventitiousness noun
Etymology
Origin of adventitious
1595–1605; < Latin adventīcius literally, coming from without, external, equivalent to ad- ad- + ven- (stem of venīre to come) + -t ( us ) past participle suffix + -īcius -itious
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.
Entry into the literary pantheon, Jackson says, requires meeting thresholds for quality and quantity, but after that, “adventitious circumstances take over.”
From Scientific American
Williams’s radiant sound and adventitious origins have made her a key figure in a diverse dawn for the solo guitar.
From New York Times
Tomatoes have the ability to produce roots off their stems, known as adventitious roots.
From New York Times
Karhiders eat four solid meals a day, breakfast, lunch, dinner, supper, along with a lot of adventitious nibbling and gobbling in between.
From Literature
![]()
"We have common memories and common experiences that bind us so closely together that no adventitious circumstances can wrench us apart," he wrote in one of his letters.
From BBC
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.