Oblivious
Pronunciation : Ob*liv"i*ous
Part of Speech : a.
Etymology : [L.obliviosus: cf.F. oblivieux.]
Definition : 1. Promoting oblivion; causing forgetfulness. "The oblivious pool." Milton. She lay in deep, oblivious slumber. Longfellow.
2. Evincing oblivion; forgetful. Through are both weak in body and oblivious. Latimer. -- Obliv"i*ous*ly, adv. -- Ob*liv"i*ous*ness, n. Foxe.
Source : Webster's Unabridged Dictionary, 1913