intervene
Americanverb (used without object)
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to come between disputing people, groups, etc.; intercede; mediate.
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to occur or be between two things.
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to occur or happen between other events or periods.
Nothing important intervened between the meetings.
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(of things) to occur incidentally so as to modify or hinder.
We enjoyed the picnic until a thunderstorm intervened.
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to interfere with force or a threat of force.
to intervene in the affairs of another country.
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Law. to interpose and become a party to a suit pending between other parties.
verb
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(often foll by in) to take a decisive or intrusive role (in) in order to modify or determine events or their outcome
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to come or be (among or between)
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(of a period of time) to occur between events or points in time
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(of an event) to disturb or hinder a course of action
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economics to take action to affect the market forces of an economy, esp to maintain the stability of a currency
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law to interpose and become a party to a legal action between others, esp in order to protect one's interests
Other Word Forms
- intervener noun
- reintervene verb (used without object)
- unintervening adjective
Etymology
Origin of intervene
First recorded in 1580–90; from Latin intervenīre “to come between,” from inter- inter- + venīre “to come”; basis, come
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.
Los Angeles County Supervisor Kathryn Barger also recently asked the administration to intervene, a spokeswoman said.
From The Wall Street Journal • Apr. 2, 2026
If there is a need for more oil, the agency will intervene and make a suggestion to governments, he said.
From MarketWatch • Apr. 1, 2026
Nearly 7 in 10 respondents said they want state and local authorities to intervene when they witness unlawful detentions or excessive use of force by federal immigration agents.
From Los Angeles Times • Apr. 1, 2026
Understanding that dynamic helps explain why it is essential to distinguish the present dispute from cases in which courts are being asked to intervene to protect democratic participation.
From Slate • Mar. 31, 2026
His mother had to intervene to put a brake on his stream of orders.
From "Tiger, Tiger" by Lynne Reid Banks
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.
