Verb
1. very high and loud; piercing
a shrill whistle
Test
1 / 5
He is an absolute fool.
2 / 5
My heartbeat accelerated when she saw him in the crowd.
3 / 5
a frame with rows of sliding beads, used for doing arithmetic
4 / 5
It tastes absolutely horrible!
5 / 5
I didn't accept his invitation.
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