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Adjective: ruinous  roo-i-nus
  1. Extremely harmful; bringing physical or financial ruin
    "a ruinous course of action";
    - catastrophic
     
  2. Causing injury or blight; especially affecting with sudden violence or plague or ruin
    "a ruinous war";
    - blasting

See also: destructive, harmful

Nearest

Ruhollah Khomeini
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