Supersede vs Preempt - What's the difference?

supersede | preempt |


As verbs the difference between supersede and preempt

is that supersede is set (something) aside while preempt is (nonstandard).

As a noun supersede

is (internet) an updated newsgroup post that supersedes an earlier version.

supersede

English

Verb

  • Set (something) aside.
  • Take the place of.
  • No one could supersede his sister.
  • Displace in favour of another.
  • Modern US culture has superseded the native forms.

    Usage notes

    (term) is the only English word ending in (term). Similar words include four ending in (term), and several ending in (term) (apart from seed). Because of this, supercede is a common misspelling of this word.

    Synonyms

    * (take the place of) replace, supplant, usurp

    See also

    * supercede and superseed (common misspellings) * supersedure * supersession

    Noun

    (en noun)
  • (Internet) An updated newsgroup post that supersedes an earlier version.
  • Rogue cancels and supersedes are being issued on a large scale against posters.

    References

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    preempt

    English

    Alternative forms

    * pre-empt *

    Verb

    (en verb)
  • to appropriate something (before someone else does)
  • to displace something, or take precedence over something
  • (bridge) to make a preemptive bid at bridge
  • Derived terms

    * preemptive * preemptor * preemptory