/ Thesaurus / U Synonyms of unfortunately Find synonyms for: Adverb1. unfortunately, unluckily, regrettably, alasusage: by bad luck; "unfortunately it rained all day"; "alas, I cannot stay"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language