/ Dictionary / Index H heartburning: Meaning and Definition of Find definitions for: heart•burn•ing Pronunciation: (härt'bûr"ning), [key] — n. rankling discontent, esp. from envy or jealousy; grudge. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: heartburning (Thesaurus) heartburn heart cam Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language