[ sep-uh-rey-shuhn ]
See synonyms for separation on
  1. an act or instance of separating or the state of being separated.

  2. a place, line, or point of parting.

  1. a gap, hole, rent, or the like.

  2. something that separates or divides.

  3. Law.

  4. Aerospace. the time or act of releasing a burned-out stage of a rocket or missile from the remainder.

  5. Photography. separation negative.

Origin of separation

1375–1425; late Middle English <Latin sēparātiōn- (stem of sēparātiō), equivalent to sēparāt(us) separate + -iōn--ion

Other words from separation

  • non·sep·a·ra·tion, noun
  • pre·sep·a·ra·tion, noun
  • re·sep·a·ra·tion, noun

Words Nearby separation Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use separation in a sentence

British Dictionary definitions for separation


/ (ˌsɛpəˈreɪʃən) /

  1. the act of separating or state of being separated

  2. the place or line where a separation is made

  1. a gap that separates

  2. family law the cessation of cohabitation between a man and wife, either by mutual agreement or under a decree of a court: Compare judicial separation, divorce

    • the act of jettisoning a burnt-out stage of a multistage rocket

    • the instant at which such a stage is jettisoned

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