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See more synonyms for supersede on Thesaurus.com
verb (used with object), su·per·sed·ed, su·per·sed·ing.
  1. to replace in power, authority, effectiveness, acceptance, use, etc., as by another person or thing.
  2. to set aside or cause to be set aside as void, useless, or obsolete, usually in favor of something mentioned; make obsolete: They superseded the old statute with a new one.
  3. to succeed to the position, function, office, etc., of; supplant.
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Origin of supersede

1485–95; < Latin supersedēre to sit above or upon, forbear, equivalent to super- super- + sedēre to sit1
Related formssu·per·sed·a·ble, adjectivesu·per·sed·er, nounun·su·per·sed·ed, adjectiveun·su·per·sed·ing, adjective


See more synonyms for on Thesaurus.com
1. See replace. 2. void, overrule, annul, revoke, rescind.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for supersede


verb (tr)
  1. to take the place of (something old-fashioned or less appropriate); supplant
  2. to replace in function, office, etc; succeed
  3. to discard or set aside or cause to be set aside as obsolete or inferior
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Derived Formssupersedable, adjectivesupersedence, nounsuperseder, nounsupersedure (ˌsuːpəˈsiːdʒə), nounsupersession (ˌsuːpəˈsɛʃən), noun

Word Origin

C15: via Old French from Latin supersedēre to sit above, from super- + sedēre to sit
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for supersede


mid-15c., Scottish, "postpone, defer," from Middle French superceder "desist, delay, defer," from Latin supersedere "sit on top of, stay clear of, abstain from, forbear, refrain from," from super "above" (see super-) + sedere "to sit" (see sedentary). In Scottish law, a judicial order protecting a debtor. Meaning "displace, replace" first recorded 1640s. Related: Superseded; superseding.

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Online Etymology Dictionary, © 2010 Douglas Harper