Breadcrumb Home > Thesaurus Cite Synonyms of heartless Find synonyms for: Adjective1. hardhearted (vs. softhearted), heartless, flinty, flint, granitic, obdurate, stonyusage: lacking in feeling or pity or warmth2. heartless, spiritless (vs. spirited)usage: devoid of courage or enthusiasmWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.See also: heartless (Dictionary) Related Content Daily Word Quiz: polemic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language Synonyms Index