- having or emitting a high-pitched and sharp tone or tones ; "a shrill whistle"; "a shrill gaiety"
- shriek: utter a shrill cry
- strident: being sharply insistent on being heard; "strident demands"; "shrill criticism"
- of colors that are bright and gaudy; "a shrill turquoise"
- (shrilling) a continuing shrill noise; "the clash of swords and the shrilling of trumpets"--P. J. Searles
- (shrillness) the quality of being sharp or harsh to the senses; "the shrillness of her hair color"
- (shrillness) having the timbre of a loud high-pitched sound
- To make a shrill noise; High-pitched and piercing; Sharp or keen to the senses
- Excessive brightness, sometimes mistakenly interpreted by the player as desired attack and dynamic range. The artificial brightness of such practice is said to be shrill. Not a prized characteristic by any stretch of the imagination.
- to emit a piercing sound