1. to give forth a loud shrill cry or sound.
2. slang to turn informer; betray an accomplice or secret.
3. to utter or produce with a squeal.
4. A loud, shrill cry or sound: a squeal of surprise; the squeal of tires.

1. A high-pitched sound, as a scream of a child, or noisy worn-down brake pads.
2. to scream by making a shrill, prolonged sound.
3. to give sensitive information about someone to a third party; to rat on someone.

1. A shrill, sharp, somewhat prolonged cry.
2. to cry with a sharp, shrill, prolonged sound, as certain animals do, indicating want, displeasure, or pain.
3. to turn informer; to betray a secret.

1. to utter a sharp, shrill cry, or a succession of such cries, as expressive of pain, fear, anger, impatience, eagerness, or the like.
2. to turn informer; peach; “squeak.”
3. infirm; weak.
4. A shrill, sharp cry, more or less prolonged.

1. utter a high-pitched cry, characteristic of pigs
2. a high-pitched howl
3. confess to a punishable or reprehensible deed, usually under pressure