Skreighing means making a loud, high-pitched sound, like a scream or a screech.
Skreighing can be annoying or scary. It can make people cover their ears.
Examples:
The cat is skreighing outside.
The baby is skreighing because she is hungry.
Stop skreighing, it hurts my ears.
The skreighing seagulls woke me up this morning.
The skreighing of the brakes was so loud!
The skreighing sound was like a monster in the night.