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intervene - definition and synonyms

 
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verb [intransitive]     intervene pronunciation in British English
/ˌɪntə(r)ˈviːn/
Word Forms
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present tense
I/you/we/theyintervene
he/she/itintervenes
present participleintervening
past tenseintervened
past participleintervened
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  1. 1
    to become involved in a situation in order to try to stop or change it

    The police had to intervene when protesters blocked traffic.

    intervene in:

    The prime minister has pledged not to intervene militarily in neighbouring countries.

  2. 4
    if time intervenes, it passes before you do something or before something happens

    Several months intervened before we met again.

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