/ Dictionary / Index D disannul: Meaning and Definition of Find definitions for: dis•an•nul Pronunciation: (dis"u-nul'), [key] — -nulled, -nul•ling. to annul utterly; make void: to disannul a contract. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. disambiguate disappear Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language