Synonyms of shrill

1 Syllable
yell, screak, high, scritch, sharp, squeal, squeak, screech, thin, shriek, squeals
2 Syllables
clarion, shrilling, screamed, hissed, sounding, brassy, bleated, squealed, shrilly, yipped, grating, screeched, screeches, yipping, treble, hollers, shrieked, sounded, screaming, holler, shrilled, shrieking, hissing, squeaking, strident, brassier, jarring, squeaked, yelled, piercing, bleating, raucous, blaring, clanging, piping, noisy, blatant, screeching, squealing, ingoing
3 Syllables
high-pitched, metallic, hollered, deafening, acute, ear-piercing, earsplitting, argute, clangorous, penetrant, hollering, discordant, intense, harsh-sounding
4 Syllables
penetrating, sibilate, vociferous, cacophonous, all-consuming