Incognizant in a sentence as an adjective

Then you have incognizant drivers thinking "I drive fast, this lane must be for me"

People apparently have been frightfully unaware and incognizant of what they have been fighting for. Moral law is for a less evolved time.

Incognizant definitions

adjective

(often followed by `of') not aware; "seemed unaware of the scrutiny"; "unaware of the danger they were in"; "unaware of the newborn hope"; "the most unaware person I've known"

See also: unaware