[ dis-joint ]
/ dɪsˈdʒɔɪnt /

verb (used with object)

to separate or disconnect the joints or joinings of.
to put out of order; derange.

verb (used without object)

to come apart.
to be dislocated; be out of joint.


  1. (of two sets) having no common elements.
  2. (of a system of sets) having the property that every pair of sets is disjoint.
Obsolete. disjointed; out of joint.

Origin of disjoint

1400–50; late Middle English disjointen to destroy < Anglo-French, Old French desjoint, past participle of desjoindre to disjoin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for disjoint

British Dictionary definitions for disjoint

/ (dɪsˈdʒɔɪnt) /


to take apart or come apart at the joints
(tr) to disunite or disjoin
to dislocate or become dislocated
(tr; usually passive) to end the unity, sequence, or coherence of


maths (of two sets) having no members in common
obsolete disjointed
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

Medical definitions for disjoint

[ dĭs-joint ]


To put out of joint; dislocate.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.