/ Thesaurus / S Synonyms of shrillness Find synonyms for: Noun1. shrillness, interest, interestingnessusage: the quality of being sharp or harsh to the senses; "the shrillness of her hair color"2. shrillness, stridence, stridency, timbre, timber, quality, toneusage: having the timbre of a loud high-pitched soundWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: languid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language