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Middle English opposit, from Latin oppositus, perfect passive participle of oppōnō (I oppose).


opposit (not comparable)

  1. Archaic form of opposite.
    • 1906, Egbert P. Watson, “XXV—Elementary Principles of Alternating Currents”, in The Engineer: With Which Is Incorporated Steam Engineer, volume 43[1] (Engineering), published 2011, page 680:
      … direction of the surface of the wire, and in the opposit direction at the axis.
    • 1920, George Starr White, Think; Side Lights, What Others Say, Clinical Cases, Etc[2], Digitized edition, published 2007:
      If a person has lost one tooth, the tooth opposit is of no use in mastication ...
    • 1931, Joseph Bowden, Elements of the Theory of Intergers[3], Digitized edition, published 2010, page 65:
      Since every primary number represents some integer (§ 160), every primary number has its opposit.
    • 1996, David F. Task, quoting William Clark, 1804, The War with Spain in 1898[4] (Military History), U of Nebraska Press, →ISBN, page 402:
      … passed the mouth of Papillion or Butter fly Creek 3 miles on the L. S. a large Sand bar opposit on that Side ...


opposit (plural opposits)

  1. Archaic form of opposite.


opposit (third-person singular simple present opposits, present participle oppositing, simple past and past participle opposited)

  1. to posit or assume as a contradictory; negative or deny


  • Century Dictionary and Cyclopedia, volume V, page 4131, opposit
  • Century Dictionary and Cyclopedia Supplement, volume XII, page 0902, opposit

Middle EnglishEdit

Alternative formsEdit



  1. contrary or opposed in location or direction; on the opposite side from
    • c. 1392, Equatorie of the Planets
    Procede in the same litel cercle to ward lettere E opposit to D.


opposit (plural opposits)

  1. a position of 180˚ away
    • c. 1400, Geoffrey Chaucer, Treatise on the Astrolabe
      The opposit of the south lyne is the north.