oblivious
adjective \ə-ˈbli-vē-əs\
1
: lacking remembrance, memory, or mindful attention, lacking active conscious knowledge or awareness.
Adjective
Not aware of or not concerned about what is happening around one.
Related to OBLIVIOUS
Synonyms
clueless, incognizant, innocent, insensible, nescient, ignorant, unacquainted, unaware, unconscious, uninformed, unknowing, unmindful, unwitting