01 v. i. To cry with a sharp, shrill, prolonged sound, as certain animals do, indicating want, displeasure, or pain.
imp. & p. p.
Squealed; p. pr. & vb. n.
Squealing
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1.
To cry with a sharp, shrill, prolonged sound, as certain animals do, indicating want, displeasure, or pain.
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2.
To turn informer; to betray a secret.[Slang]