Source : Webster's Revised Unabridged Dictionary (1913)

Unfortunate \Un*for"tu*nate\, a.
   Not fortunate; unsuccessful; not prosperous; unlucky;
   attended with misfortune; unhappy; as, an unfortunate
   adventure; an unfortunate man; an unfortunate commander;
   unfortunate business. -- n. An unfortunate person. --Hood. --
   {Un*for"tu*nate*ly}, adv. -- {Un*for"tu*nate*ness}, n.

Source : WordNet®

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