/ Dictionary / Index D disunity: Meaning and Definition of Find definitions for: dis•u•nity Pronunciation: (dis-y'ni-tē), [key] — pl. -ties. lack of unity or accord. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: disunity (Thesaurus) disunite disuse Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language