creak
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verb no object
1. (of an object, typically a wooden one) make a harsh, high-pitched sound when being moved or when pressure or weight is applied:
〈ドア･ベッド･階段などが〉(キーキー)きしむ, 鳴る; 〖～ open〗 キーと音を立てて開く.
e.g. the stairs creaked as she went up them
e.g. the garden gate creaked open.
2. show weakness or frailty under strain:
e.g. stock prices creaked to a mixed finish today.
noun
a harsh scraping or squeaking sound:
(ドア･ベッド･階段などの)きしむ音.
e.g. the creak of a floorboard broke the silence.
DERIVATIVES
creakingly adverb
ORIGIN
Middle English (as a verb in the sense ‘croak’): imitative.