Definition of supervene verb from the Oxford Advanced American Dictionary

 

supervene

 verb
verb
NAmE//ˌsupərˈvin//
 
[intransitive](formal)Verb Forms present simple I / you / we / they supervene
 
he / she / it supervenes
 
past simple supervened
 
-ing form supervening
 
 
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to happen, especially unexpectedly, and have a powerful effect on the existing situation Her future was full of promise until illness supervened.
See the Oxford Advanced Learner's Dictionary entry: supervene