/ Thesaurus / W Synonyms of wholeheartedly Find synonyms for: Adverb1. wholeheartedlyusage: without reserve; without reservation; "he adopted wholeheartedly some of the policies that he had previously criticized"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. 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