Meaning of “creak” - Learner’s Dictionary

creak

verb [ I ] us uk /kriːk/

If something such as a door or a piece of wood creaks, it makes a long noise when it moves:

creaking floorboards
creak noun [ C ]
creaky adjective

A creaky door, stair, etc creaks.

(Definition of “creak” from the Cambridge Learner’s Dictionary © Cambridge University Press)