a. | 1. | Causing, or tending to cause, ruin; destructive; baneful; pernicious; |
2. | Characterized by ruin; ruined; dilapidated; | |
3. | Composed of, or consisting in, ruins. |
Adj. | 1. | ruinous - extremely harmful; bringing physical or financial ruin; "a catastrophic depression"; "catastrophic illness"; "a ruinous course of action" Synonyms: catastrophic |
2. | ruinous - 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" Synonyms: blasting |