IPA: /ɪnˈkɒɡnɪzənt/
KK: /ɪnˈkɑɡnɪzənt/
Not aware of something or lacking knowledge about it.
She was incognizant of the changes happening in her community.
Incognizant → It is formed from "in-" (meaning not) and "cognizant" (from Latin "cognoscere", meaning to know). The word "incognizant" means not being aware or not knowing something.
Think of 'not knowing' ('in-') something that you should be aware of ('cognizant').