oblivious

a oblivious of dangers or perils or calmly resolute in facing them s invulnerable to fear or intimidation

Linguists and psychologists contend fiercely over the validity of this claim, oblivious to the fact that it is intellectual masturbation.

They do this while totally oblivious to their uncontrollable habit

oblivious of dangers or perils or calmly resolute in facing them

[Spaced out], [stoned], unaware, [oblivious], unconscious, drugged, [narcotized].\r \r Derived from the 70's phrase "[lost in the ozone]", which led to the related terms "[ozoned]", "[zoned]", and "zoned out". > I got kinda zoned out listening to Green Day and forgot to finish my term paper. > Dubya got zoned out at the Cabinet meeting and decided to invade Iraq without a legitimate cause.