Disastrous /(?)/

Dis·as·trous

Disastrous

a.
  1. Full of unpropitious stellar influences; unpropitious; ill-boding. [Obs.]
    The moon In dim eclipse, disastrous twilight sheds.
  2. Attended with suffering or disaster; very unfortunate; calamitous; ill-fated; ending in utter failure or ruin; as, a disastrous day; a disastrous termination of an undertaking.
    Wherein I spake of most disastrous chances.