/ Dictionary / Index A annulment: Meaning and Definition of Find definitions for: an•nul•ment Pronunciation: (u-nul'munt), [key] — n. the act of annulling, esp. the formal declaration that annuls a marriage. a mental process by which unpleasant or painful ideas are abolished from the mind. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: annulment (Thesaurus) annulet annulose Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language