/ Dictionary / Index D disjoint: Meaning and Definition of Find definitions for: dis•joint Pronunciation: (dis-joint'), [key] — v.t. to separate or disconnect the joints or joinings of. to put out of order; derange. —v.i. to come apart. to be dislocated; be out of joint. —adj. (of two sets) having no common elements. (of a system of sets) having the property that every pair of sets is disjoint. disjointed; out of joint. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: disjoint (Thesaurus) disjoined disjointed Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language