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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, ruin, ruinously

Nearest

Ruholla Khomeini
Ruhr
Ruhr River
Ruhr Valley
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ruinously
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rule in
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