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From Middle English disjoynen, from Old French desjoindre (disjoin), from Latin disiungō, from dis- + iungō (join).


  • IPA(key): /dɪsˈd͡ʒɔɪnt/
  • (file)
  • Rhymes: -ɔɪnt


disjoint (comparative more disjoint, superlative most disjoint)

  1. Not smooth or continuous; disjointed.
  2. (set theory, not comparable) Of two or more sets, having no members in common; having an intersection equal to the empty set.


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disjoint (third-person singular simple present disjoints, present participle disjointing, simple past and past participle disjointed)

  1. To render disjoint; to remove a connection, linkage, or intersection.
    to disjoint limbs; to disjoint bones; to disjoint poultry by carving
    • 1719, Matthew Prior, “Henry and Emma”, in Poems on Several Occasions, Dublin: J. Hyde, page 163:
      Are there not Poiſons, Racks, and Flames, and Swords; / That Emma thus muſt die by Henry’s Words? / Yet what could Swords or Poiſon, Racks or Flame, / But mangle and disjoint this brittle Frame? / More fatal Henry’s Words; they murder Emma’s Fame.
    • 1863, Henry Wadsworth Longfellow, “Tales of a Wayside Inn”, in The Poetical Works of Henry Wadsworth Longfellow, London: George Routledge and Sons, published 1872, page 543:
      As over some half-ruined wall, / Disjointed and about to fall, / Fresh woodbines climb and interlace, / And keep the loosened stones in place.
  2. To break the natural order and relations of; to make incoherent.
    a disjointed speech
  3. (obsolete) To fall into pieces.
    • c. 1606 (date written), William Shakespeare, “The Tragedie of Macbeth”, in Mr. William Shakespeares Comedies, Histories, & Tragedies [] (First Folio), London: [] Isaac Iaggard, and Ed[ward] Blount, published 1623, OCLC 606515358, [Act III, scene ii], page 140, column 2:
      But let the frame of things dis-ioynt, / Both the Worlds ſuffer, / Ere we will eate our Meale in feare, and ſleepe / In the affliction of theſe terrible Dreames, / That ſhake vs Nightly : Better be with the dead, / Whom we, to gayne our peace, haue ſent to peace, / Then on the torture of the Minde to lye / In reſtleſſe extaſie.


See also[edit]




disjoint (feminine disjointe, masculine plural disjoints, feminine plural disjointes)

  1. past participle of disjoindre


disjoint (feminine disjointe, masculine plural disjoints, feminine plural disjointes)

  1. disjoint, unattached

Further reading[edit]