Sharp and piercing in sound; high and keen (somewhat disagreeably so) in voice or note: the common use of the word.
Emitting or capable of emitting a sharp, high, piercing sound.
Piercing; sharp; affecting the senses sharply or keenly; bright.
noun.
A keen or piercing sound.
In a shrill manner; shrilly.
To utter or emit a keen, piercing, high-pitched sound.
To sound shrilly; be shrill.
To cause to give out a shrill sound.
To utter or produce with a shrill sound.