ruinous
rooh uh nuhs
- s extremely harmful; bringing physical or financial ruin
a ruinous course of action - s causing injury or blight; especially affecting with sudden violence or plague or ruin
a ruinous war
- It could well set a new pattern of ruinous civil service strikes.
- If this vital precipitation were ever cut off by man's interference with such storms, the results might be ruinous for farmers, industry and drinking-water supplies.
- Decades of ruinous environmental policies have turned the delicate grasslands of central China into desert.