oblivious
1. [ adjective ] (followed by `to' or `of') lacking conscious awareness of
Synonyms: unmindful
Examples:

"oblivious of the mounting pressures for political reform" "oblivious to the risks she ran" "not unmindful of the heavy responsibility"

Related terms: unaware
2. [ adjective ] failing to keep in mind
Synonyms: forgetful
Examples:

"forgetful of her responsibilities" "oblivious old age"

Related terms: inattentive
Similar spelling:   oblivion