ruinous

play
adjective ru·in·ous \ ˈrü-ə-nəs \

Definition of ruinous

2 :causing or tending to cause ruin

ruinously

adverb

ruinousness

noun

Examples of ruinous in a Sentence

  1. The house has fallen into a ruinous state.

  2. a ruinous miscalculation of the financial markets left them bankrupt

Recent Examples of ruinous from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ruinous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of ruinous

14th century


RUINOUS Defined for English Language Learners

ruinous

play
adjective

Definition of ruinous for English Language Learners

  • : causing or likely to cause damage or destruction

  • : costing far too much money

  • : falling apart : badly damaged


RUINOUS Defined for Kids

ruinous

play
adjective ru·in·ous \ ˈrü-ə-nəs \

Definition of ruinous for Students

:causing or likely to cause collapse or destruction
  • a ruinous war

ruinously

adverb


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