shriller; shrillest
1
: having a very loud, high-pitched sound
a shrill whistle/scream
2
: loud and difficult to ignore but often unreasonable
shrill protests/accusations
shrills; shrilled; shrilling
1
: to make a very loud, high-pitched sound
The bell shrilled.
2
: to say (something) in a very loud, high-pitched voice
"What!?" she shrilled.



