SQUEAKIEST
Scrabble letter values: S1Q10U1E1A1K5I1E1S1T1 = 23
Definition
SQUEAKIEST is the superlative of SQUEAKY.
adjective SQUEAKY: having or making a high-pitched sound such as that made by a mouse or a rusty hinge.
Synonyms of SQUEAKY: screaky, screechy, squeaking, squealing