- 1[intransitive] to become involved in a situation in order to improve or help it She might have been killed if the neighbours hadn't intervened. intervene in something The President intervened personally in the crisis.
- 2[transitive, intransitive] (+ speech) to interrupt somebody when they are speaking in order to say something ‘But,’ she intervened, ‘what about the others?’
- 3[intransitive] to happen in a way that delays something or prevents it from happening They were planning to get married and then the war intervened.
- 4[intransitive] (formal) to exist between two events or places I saw nothing of her during the years that intervened. Word Origin late 16th cent. (in the sense ‘come in as an extraneous factor or thing’): from Latin intervenire, from inter-
verbjump to other results
BrE BrE//ˌɪntəˈviːn//; NAmE NAmE//ˌɪntərˈviːn//Verb Forms present simple I / you / we / they intervene
BrE BrE//ˌɪntəˈviːn//; NAmE NAmE//ˌɪntərˈviːn//he / she / it intervenes
BrE BrE//ˌɪntəˈviːnz//; NAmE NAmE//ˌɪntərˈviːnz//past simple intervened
BrE BrE//ˌɪntəˈviːnd//; NAmE NAmE//ˌɪntərˈviːnd//past participle intervened
BrE BrE//ˌɪntəˈviːnd//; NAmE NAmE//ˌɪntərˈviːnd//-ing form intervening
BrE BrE//ˌɪntəˈviːnɪŋ//; NAmE NAmE//ˌɪntərˈviːnɪŋ//