IPA: /ˈkriːkiər/
KK: /ˈkrikiər/
More creaky than something else; having more of the characteristic of making a creaking sound.
The old floorboards are creakier than the new ones.
Comparative: creakier
Superlative: creakiest
Creakier → The word is formed from "creak" (of uncertain origin, possibly imitative of the sound made) and the suffix "-ier" (meaning more). The term "creakier" describes something that makes a creaking sound to a greater degree than something else.
Think of something that makes a creaking sound more than usual — that's what 'creakier' means.