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supersede - definition and synonyms

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verb [transitive] supersede pronunciation in British English /ˌsuːpə(r)ˈsiːd/
Word Forms
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present tense
I/you/we/theysupersede
he/she/itsupersedes
present participlesuperseding
past tensesuperseded
past participlesuperseded
  1. if one thing supersedes another, it replaces the other thing, especially because it is more modern or more useful
    Steam trains were gradually superseded by diesel engines.
    The Chemical Weapons Convention supersedes all earlier agreements.
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