/ Thesaurus / H Synonyms of heinously Find synonyms for: Adverb1. heinously, monstrouslyusage: in a terribly evil manner; "the child was heinously murdered"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language