/ Thesaurus / C Synonyms of catastrophically Find synonyms for: Adverb1. catastrophicallyusage: with unfortunate consequences; "catastrophically complex"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language