Definition of ruinous

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  • ruinous is a valid Scrabble US word with a point value of 7
  • ruinous is a valid Scrabble UK word with a point value of 7
  • ruinous is a valid Words with friends word with a point value of 10

Definition of ruinous

  • extremely harmful; bringing physical or financial ruin (adjective)

    Examples

    1. a ruinous course of action

    Synonyms

    1. catastrophic
  • causing injury or blight; especially affecting with sudden violence or plague or ruin (adjective)

    Examples

    1. a ruinous war

    Synonyms

    1. blasting

See definition of ruinous in Merriam Webster