American English

Definition of supersede verb from the Oxford Advanced American Dictionary



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past simple superseded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of something or someone that is considered to be old-fashioned or no longer the best available The theory has been superseded by more recent research.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