IPA: /ˈfleɪkɪnəs/
KK: /ˈfleɪkɪnəs/
The quality of breaking into small pieces or being unreliable.
Her flakiness made it hard for her friends to trust her plans.
Flakiness is formed from "flake" (from Old English *flaca*, meaning a thin piece or layer) and the suffix "-ness" (meaning the state or quality of). The word describes the quality of being flaky or having the characteristic of breaking into thin pieces.
Think of a 'flake' as a thin piece that can easily break off, and '-ness' indicates a state or quality. This helps you remember that 'flakiness' refers to the quality of being flaky.