American English

Definition of supersede verb from the Oxford Advanced American Dictionary

 

supersede

 verb
verb
NAmE//ˌsupərˈsid//
 
supersede something/somebody [often passive]Verb Forms present simple I / you / we / they supersede
 
he / she / it supersedes
 
past simple superseded
 
-ing form superseding
 
 
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to take the place of something or someone that is considered to be old-fashioned or no longer the best available The theory has been superseded by more recent research.
See the Oxford Advanced Learner's Dictionary entry: supersede