IPA: /juːˈzæbɪlɪti/
KK: /juːˈzæbɪlɪti/
The quality of being easy to use or operate, especially in relation to software or devices.
The usability of the new app has received positive feedback from users.
Usability is formed from "use" (from Old French *user*, meaning to employ or utilize) and "-ability" (from Latin *abilitas*, meaning capability or suitability). The word refers to the capability of something to be used effectively.
Think of the word 'use' to remember that 'usability' means the capability of something to be used effectively.