The Collaborative International Dictionary of English v.0.48:

ill-fated \ill-fated\ adj.
   1. marked by or promising bad fortune; unsuccessful; as, an
      ill-fated business venture.

   Syn: ill-omened, ill-starred, unlucky.
        [WordNet 1.5] Ill-favored

WordNet (r) 3.0 (2006):

ill-fated
    adj 1: marked by or promising bad fortune; "their business
           venture was doomed from the start"; "an ill-fated
           business venture"; "an ill-starred romance"; "the unlucky
           prisoner was again put in irons"- W.H.Prescott [syn:
           doomed, ill-fated, ill-omened, ill-starred,
           unlucky]

Moby Thesaurus II by Grady Ward, 1.0:

36 Moby Thesaurus words for "ill-fated":
   apocalyptic, bad, baleful, baneful, black, bodeful, boding, dark,
   dire, doomful, dreary, evil, evil-starred, fateful, foreboding,
   gloomy, ill, ill-boding, ill-omened, ill-starred, inauspicious,
   lowering, menacing, of evil portent, ominous, portending,
   portentous, sinister, somber, threatening, unfavorable,
   unfortunate, unlucky, unpromising, unpropitious, untoward