Related topics: Textures, Sounds
a shrill sound is very high and unpleasant:
'That's not true,' she protested in a shrill voice.
a shrill whistle
Fran uttered a shrill scream.
shrill complaints, criticism, demands etc are too loud or strong and seem unreasonable:
He hated the shrill demands of the children.
—shrillness noun [uncountable]