/ Thesaurus / S Synonyms of shrilly Find synonyms for: Adverb1. shrilly, piercinglyusage: in a shrill voice; "she sang rather shrilly"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language