/ Thesaurus / H Synonyms of heedlessly Find synonyms for: Adverb1. carelessly, heedlesslyusage: without care or concern; "carelessly raised the children's hopes without thinking of their possible disappointment"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language