supersede(redirected from superseder)
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su·per·sedealso su·per·cede (so͞o′pər-sēd′)
tr.v. su·per·sed·ed, su·per·sed·ing, su·per·sedes or su·per·ced·ed or su·per·ced·ing or su·per·cedes
1. To take the place of; replace or supplant: "[Dean] Acheson's conversion, that military force should supersede diplomatic response as the core of U.S. foreign policy, would reverberate across generations" (James Carroll).
2. To take the place of (a person), as in an office or position; succeed. See Synonyms at replace.
[Late Middle English (Scottish) superceden, to postpone, defer, from Old French superceder, from Latin supersedēre, to sit on top of, abstain from : super-, super- + sedēre, to sit; see sed- in Indo-European roots.]
su′per·sed′er, su′per·ced′er n.
su′per·ses′sion, su′per·ces′sion (-sĕsh′ən) n.
Usage Note: Supersede is commonly spelled supercede, probably by influence of words like accede and intercede. The spelling with a c has been in existence for 300 years and has traditionally been considered an error, but it appears so widely in books and other edited publications that this spelling must be considered standard.
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
[C15: via Old French from Latin supersedēre to sit above, from super- + sedēre to sit]
v.t. -sed•ed, -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, usu. in favor of something mentioned; make obsolete.
3. to succeed to the position, function, office, etc., of; supplant.
Past participle: superseded
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|Verb||1.||supersede - take the place or move into the position of; "Smith replaced Miller as CEO after Miller left"; "the computer has supplanted the slide rule"; "Mary replaced Susan as the team's captain and the highest-ranked player in the school"|
replace - substitute a person or thing for (another that is broken or inefficient or lost or no longer working or yielding what is expected); "He replaced the old razor blade"; "We need to replace the secretary that left a month ago"; "the insurance will replace the lost income"; "This antique vase can never be replaced"
put back, replace - put something back where it belongs; "replace the book on the shelf after you have finished reading it"; "please put the clean dishes back in the cabinet when you have washed them"
deputise, deputize, step in, substitute - act as a substitute; "She stood in for the soprano who suffered from a cold"
displace, preempt - take the place of or have precedence over; "live broadcast of the presidential debate preempts the regular news hour"; "discussion of the emergency situation will preempt the lecture by the professor"
usurp - take the place of; "gloom had usurped mirth at the party after the news of the terrorist act broke"
oust - remove and replace; "The word processor has ousted the typewriter"