An onomatopoeia for a high, creaking or squeaking sound (e.g., floorboards, old wood, joints). Often used as きしきし鳴る.
古い床が人が歩くたびにきしきし鳴る。
The old floor creaks with every step.
新しい靴はきしきしして歩きにくかった。
The new shoes squeaked and were hard to walk in.
寒さで膝がきしきしと痛んだ。
The cold made my knees ache and creak.