[ soo-per-seed ]
See synonyms for: supersedesupersededsupersedes on

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as void, useless, irrelevant, or obsolete, usually in consideration of something mentioned: The success of the vaccine superseded the necessity of a smallpox hospital, and the enterprise was abandoned almost as soon as conceived.

  1. to succeed to the position, function, office, etc., of; supplant.

Origin of supersede

First recorded in 1485–95; from Latin supersedēre “to sit above or upon, forbear,” equivalent to super- super- + sedēre “to sit”; see sit1

synonym study For supersede

1. See replace.

Other words for supersede

Other words from supersede

  • su·per·sed·a·ble, adjective
  • su·per·sed·er, noun
  • un·su·per·sed·ing, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use supersede in a sentence

British Dictionary definitions for supersede


/ (ˌsuːpəˈsiːd) /

  1. to take the place of (something old-fashioned or less appropriate); supplant

  2. to replace in function, office, etc; succeed

  1. to discard or set aside or cause to be set aside as obsolete or inferior

Origin of supersede

C15: via Old French from Latin supersedēre to sit above, from super- + sedēre to sit

Derived forms of supersede

  • supersedable, adjective
  • supersedence, noun
  • superseder, noun
  • supersedure (ˌsuːpəˈsiːdʒə), noun
  • supersession (ˌsuːpəˈsɛʃən), noun

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