Dictionary.com
Thesaurus.com
Synonyms

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.

That is raising the prospect that Japan’s Ministry of Finance could intervene in the market to prop up the currency.

From Barron's

Soon after the city decided not to intervene, another group decided to try and shut the clinic down - this one spearheaded by Texas pastor Mark Lee Dickson.

From BBC

After the explosion, at least two aircraft flew too close to each other, requiring a controller to intervene to avoid a collision.

From The Wall Street Journal

The boys’ family pleaded with school officials to intervene.

From Salon

Suddenly the moderator intervenes to change the subject.

From BBC