The Collaborative International Dictionary of English v.0.48:

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