/ Dictionary / Index H heir apparent: Meaning and Definition of Find definitions for: heir' appar'ent Pronunciation: [key] — pl. heirs apparent. an heir whose right is indefeasible, provided he or she survives the ancestor. a person whose succession to a position appears certain: His popularity makes him the chief 's heir apparent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. heir heir at law Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language