squealing

(verb) utter a high-pitched cry, characteristic of pigs. Synonyms: squeal, oink.

(verb) confess to a punishable or reprehensible deed, usually under pressure. Synonyms: confess, squeal, fink.

(adj) having or making a high-pitched sound such as that made by a mouse or a rusty hinge. Synonyms: screaky, screechy, squeaking, squeaky.