Disastrous
Pronunciation : Dis*as"trous
Part of Speech : a.
Etymology : [Cf. F. d?sastreux. See Disaster.]
Definition : 1. Full of unpropitious stellar influences; unpropitious; ill-boding. [Obs.] The moon In dim eclipse, disastrous twilight sheds. Milton.
2. Attended with suffering or disaster; very unfortunate; calamitous; ill-fated; as, a disastrous day; a disastrous termination of an undertaking. Wherein I spake of most disastrous chances. Shak. -- Dis*as"trous*ly, adv. -- Dis*as"trous*ness, n.
Source : Webster's Unabridged Dictionary, 1913