/ Dictionary / Index H heartstrings: Meaning and Definition of Find definitions for: heart•strings Pronunciation: (härt'stringz"), [key] — n.pl. the deepest feelings; the strongest affections: to tug at one's heartstrings. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: heartstrings (Thesaurus) heartstopper heart tamponade Related Content Daily Word Quiz: sublime Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language