/ Thesaurus / T Synonyms of testily Find synonyms for: Adverb1. testily, irritably, petulantly, pettishlyusage: in a petulant manner; "he said testily; `Go away!'"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