/ Thesaurus / E Synonyms of excruciatingly Find synonyms for: Adverb1. agonizingly, excruciatingly, torturouslyusage: in a very painful manner; "the progress was agonizingly slow"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