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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.

“Even if the U.S. doesn’t intervene in Greenland, this whole talk of the town about Greenland already represents a very powerful message to Moscow,” he said.

From The Wall Street Journal

The unions complained to an independent unit within government which has now offered to intervene by mediating between the unions and McDonald's.

From BBC

"If a party worker indulges in hate speech or a hate crime, the ruling party may not sanction prosecution. Under this law, the government cannot intervene," the official said.

From BBC

They change as the pulsar, the intervening gas, and Earth all move relative to one another.

From Science Daily

Nato did not intervene but its most powerful member the US was able to help mediate.

From BBC