/ Thesaurus / H Synonyms of heartiness Find synonyms for: Noun1. vigor, vigour, dynamism, heartiness, strengthusage: active strength of body or mind2. heartiness, wholeheartedness, sincerityusage: the quality of hearty sincerityWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language