/ Thesaurus / T Synonyms of threateningly Find synonyms for: Adverb1. menacingly, threateninglyusage: in a menacing manner; "the voice at the other end of the line dropped menacingly"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