unluckily

from WordNet (r) 3.0 (2006)

unluckily
    adv 1: by bad luck; "unfortunately it rained all day"; "alas, I
           cannot stay" [syn: {unfortunately}, {unluckily},
           {regrettably}, {alas}] [ant: {as luck would have it},
           {fortuitously}, {fortunately}, {luckily}]

from The Collaborative International Dictionary of English v.0.48

Unluckily \Un*luck"i*ly\, adv.
   In an unlucky manner.
   [1913 Webster]