squeaking

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

having or making a high-pitched sound such as that made by a mouse or a rusty hinge
• Syn:
screaky, screechy, squeaky, squealing
• Similar to:
high, high-pitched
• Derivationally related forms:
squeak (for: squeaky), screech (for: screechy)