Definition of supersede

Email this page to a friend

< superscription

supersedeas >

su·per·sede    (spr-sd) KEY 

TRANSITIVE VERB:
su·per·sed·ed, su·per·sed·ing, su·per·sedes

1. To take the place of; replace.
2. To cause to be set aside, especially to displace as inferior or antiquated. See Synonyms at replace.

---

ETYMOLOGY:
Middle English superceden, to postpone, from Old French superceder, from Latin supersedre, to refrain from : super-, super- + sedre, to sit; see sed- in Indo-European roots

OTHER FORMS:
super·seder(Noun), super·session  (-sshn) KEY (Noun)