ADVENTITIOUS Synonyms: 29 Similar and Opposite Words

adventitious

adjective

ˌad-(ˌ)ven-ˈti-shəs

as in extrinsic

not being a vital part of or belonging to something the point of view that art should be for art's sake and that moral considerations are adventitious to the study of art

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Example Sentences

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Recent Examples of adventitious Although individual plants have a lifespan of 30-90 years, adventitious shoots grow up from roots. —

Joshua Siskin, Oc Register, 5 July 2025 The patchy and adventitious quality of Jameson’s reconstruction must make clear his difference as a thinker. —

Mark Greif, Harper's Magazine, 26 July 2024 The cut appears to have been high enough that the stump should still have enough adventitious buds to regrow. —

Jonathan Edwards, Washington Post, 3 Oct. 2023 Plant Deep — Really Deep Tomatoes have the ability to produce roots off their stems, known as adventitious roots. —

Margaret Roach, New York Times, 12 May 2020 This can also occur when trees are planted too deep, as adventitious (growing sideways from the stem) roots grow against the stem and squeeze the sapwood. —

Rebecca Jepsen, The Mercury News, 28 Aug. 2019

Recent Examples of Synonyms for adventitious

Adjective

Early longevity studies analyzed groups of people who were born in a time of widespread extrinsic mortality.

— Cody Cottier, Scientific American, 29 Jan. 2026
Common in the Ninth Circuit, the extrinsic test looks at comparison, context and, in a case like this, specific plot elements.

— Dominic Patten, Deadline, 3 Jan. 2026