squeal

/skwil/
verb
  1. To make a long, high-pitched cry or sound, like a pig or a frightened animal.
    • The pig squealed loudly when it saw the farmer with food.
    • The children squealed with delight on the roller coaster.
    • The car's tires squealed as it rounded the corner.
  2. To inform on someone or reveal a secret, especially to the police or an authority.
    • He refused to squeal even under pressure.
    • Don't squeal to the teacher about our prank.
    • The thief squealed on his partners to get a lighter sentence.
Antonyms
noun
  1. A long, high-pitched cry or sound.
    • We heard a loud squeal from the pigpen.
    • Her squeal of joy echoed through the house.
    • The brakes let out a terrible squeal.