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intervene

American  
[in-ter-veen] / ˌɪn tərˈvin /

verb (used without object)

intervened, intervening
  1. to come between disputing people, groups, etc.; intercede; mediate.

    Synonyms:
    interpose, arbitrate
  2. to occur or be between two things.

  3. to occur or happen between other events or periods.

    Nothing important intervened between the meetings.

  4. (of things) to occur incidentally so as to modify or hinder.

    We enjoyed the picnic until a thunderstorm intervened.

  5. to interfere with force or a threat of force.

    to intervene in the affairs of another country.

  6. Law. to interpose and become a party to a suit pending between other parties.


intervene British  
/ ˌɪntəˈviːn /

verb

  1. (often foll by in) to take a decisive or intrusive role (in) in order to modify or determine events or their outcome

  2. to come or be (among or between)

  3. (of a period of time) to occur between events or points in time

  4. (of an event) to disturb or hinder a course of action

  5. economics to take action to affect the market forces of an economy, esp to maintain the stability of a currency

  6. law to interpose and become a party to a legal action between others, esp in order to protect one's interests

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

However, the central bank could signal a greater willingness to intervene in foreign exchange markets in order to address the strong Swiss franc, they said.

From The Wall Street Journal

My screams finally drew my friend’s mom to intervene.

From Los Angeles Times

In practical terms, the disagreement boils down to the question: Should humans intervene or let nature take it course?

From Los Angeles Times

"They're looking at the situation carefully. They are willing to intervene," he said.

From BBC

This fitted in with the era of liberal interventionism that the UK had backed from the 1990s under Tony Blair, intervening in the Balkans to prevent bloodshed in Kosovo.

From BBC