'Ruinous' definitions:

Definition of 'ruinous'

(from WordNet)
adjective
Extremely harmful; bringing physical or financial ruin; "a catastrophic depression"; "catastrophic illness"; "a ruinous course of action" [syn: catastrophic, ruinous]
adjective
Causing injury or blight; especially affecting with sudden violence or plague or ruin; "the blasting effects of the intense cold on the budding fruit"; "the blasting force of the wind blowing sharp needles of sleet in our faces"; "a ruinous war" [syn: blasting, ruinous]

Definition of 'Ruinous'

From: GCIDE
  • Ruinous \Ru"in*ous\, a. [L. ruinosus: cf. F. ruineux. See Ruin.]
  • 1. Causing, or tending to cause, ruin; destructive; baneful; pernicious; as, a ruinous project. [1913 Webster]
  • After a night of storm so ruinous. --Milton. [1913 Webster]
  • 2. Characterized by ruin; ruined; dilapidated; as, an edifice, bridge, or wall in a ruinous state. [1913 Webster]
  • 3. Composed of, or consisting in, ruins. [1913 Webster]
  • Behold, Damascus . . . shall be a ruinous heap. --Isa. xvii. 1. [1913 Webster]
  • Syn: Dilapidated; decayed; demolished; pernicious; destructive; baneful; wasteful; mischievous. [1913 Webster] -- {Ru"in*ous*ly}, adv. -- {Ru"in*ous*ness}, n. [1913 Webster]

Synonyms of 'ruinous'

From: Moby Thesaurus

Words containing 'Ruinous'