Source : Webster's Revised Unabridged Dictionary (1913)

Inauspicious \In`aus*pi"cious\, a.
   Not auspicious; ill-omened; unfortunate; unlucky;
   unfavorable. ``Inauspicious stars.'' --Shak. ``Inauspicious
   love.'' --Dryden. -- {In`aus*pi"cious*ly}, adv. --
   {In`aus*pi"cious*ness}, n.

Source : WordNet®

inauspiciously
     adv : in an inauspicious manner; "he started his new job
           inauspiciously on Friday the 13th" [syn: {unpropitiously}]
           [ant: {auspiciously}, {auspiciously}]