Shrill (adjective)
High-pitched and piercing.
“The woods rang with shrill cries of the birds.”
Shrill (adjective)
Having a shrill voice.
Shrill (adjective)
Sharp or keen to the senses.
Shrill (adjective)
Especially of a complaint or demand: fierce, loud, strident.
Shrill (verb)
To make a shrill noise.
Shrill (noun)
A shrill sound.
Strident (adjective)
Loud; shrill, piercing, high-pitched; rough-sounding
“The trumpet sounded strident against the string orchestra.”
Strident (adjective)
Grating or obnoxious
“The artist chose a strident mixture of colors.”
Strident (adjective)
Vigorous; making strides
Strident (noun)
One of a class of s-like fricatives produced by an airstream directed at the upper teeth.
“fricative”
Shrill (adjective)
(of a voice or sound) high-pitched and piercing
“a shrill laugh”
Shrill (adjective)
(especially of a complaint or demand) loud and forceful
“a concession to their shrill demands”
Shrill (verb)
make a shrill noise
“a piercing whistle shrilled through the night air”
Shrill (verb)
speak or cry with a shrill voice
“‘How dare you!’ she shrilled”
Shrill (noun)
a shrill sound or cry
“the shrill of a smoke detector filled the air”