List of shrill synonyms and shrill related words.
absonant, acute, argute, atonal, cacophonous, caterwaul, cracked, creak, creaky, diaphonic, disconsonant, discordant, disharmonic, disharmonious, dissonant, ear-piercing, ear-splitting, flat, grating, harsh, high, high-pitched, howl, howling, immelodious, inharmonic, inharmonious, keen, keening, musicless, nonmelodious, off, off-key, off-tone, out of pitch, out of tone, out of tune, penetrating, piercing, pipe, piping, raucous, reedy, screak, screaky, scream, screech, screeching, screechy, sharp, shriek, shrieking, shrieky, skirl, skreigh, sour, squawk, squeak, squeaking, squeaky, squeal, strident, thin, treble, tuneless, ululant, ululation, unharmonious, unmelodious, unmusical, untunable, untuned, untuneful, wail, wailing, whine, whining, whistle, whistling, yammer