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[soo-per-seed] /ˌsu pərˈsid/
verb (used with object), superseded, superseding.
to replace in power, authority, effectiveness, acceptance, use, etc., as by another person or thing.
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They superseded the old statute with a new one.
to succeed to the position, function, office, etc., of; supplant.
1485-95; < Latin supersedēre to sit above or upon, forbear, equivalent to super- super- + sedēre to sit1
Related forms
supersedable, adjective
superseder, noun
unsuperseded, adjective
unsuperseding, adjective
1. See replace. 2. void, overrule, annul, revoke, rescind. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for supersedes
  • Their common interest, that is, supersedes their differences.
  • The agreement supersedes all previous lease-lend agreements between the two countries.
  • She can well stand comparison with them, and in some respects supersedes them.
  • His book is a serious effort to tell the story and supersedes previous accounts.
  • Any attempt to do so would be in direct violation of federal law, which in this case supersedes any state law.
British Dictionary definitions for supersedes


verb (transitive)
to take the place of (something old-fashioned or less appropriate); supplant
to replace in function, office, etc; succeed
to discard or set aside or cause to be set aside as obsolete or inferior
Derived Forms
supersedable, adjective
supersedence, noun
superseder, noun
supersedure (ˌsuːpəˈsiːdʒə) noun
supersession (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
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Word Origin and History for supersedes



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 Related: Superseded; superseding.

Online Etymology Dictionary, © 2010 Douglas Harper
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