unaware
Pronunciation:
/ˌʌnəˈweːɹ//ˌʌnəˈwɛə//ˌʌnəˈwɛɚ/adjective
Definitions
Not aware or informed; lacking knowledge.
Example: I'm unaware of the answer to that question.
Not noticing; paying no heed; thoughtless; inattentive.