oblivious (
http://definr.com/oblivious)
adj 1: (followed by `to' or `of') lacking conscious awareness of;
"oblivious of the mounting pressures for political
reform"; "oblivious to the risks she ran"; "not
unmindful of the heavy responsibility" [syn:
oblivious(p),
unmindful(p)]
2: failing to keep in mind; "forgetful of her
responsibilities"; "oblivious old age" [syn:
forgetful]