Breadcrumb Home > 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: sophism Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language