ominously
    adv 1: in an ominous manner; "the sun darkened ominously"

Ominous \Om"i*nous\, a. [L. ominosus, fr. omen. See Omen.]
   Of or pertaining to an omen or to omens; being or exhibiting
   an omen; significant; portentous; -- formerly used both in a
   favorable and unfavorable sense; now chiefly in the latter;
   foreboding or foreshowing evil; inauspicious; as, an ominous
   dread.
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         He had a good ominous name to have made a peace.
                                                  --Bacon.
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         In the heathen worship of God, a sacrifice without a
         heart was accounted ominous.             --South.
   [1913 Webster] -- Om"i*nous*ly, adv. -- Om"i*nous*ness,
   n.
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