ru·​in·​ous | \ˈrü-ə-nəs \

Definition of ruinous 

2 : causing or tending to cause ruin

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Other Words from ruinous

ruinously adverb
ruinousness noun

Examples of ruinous in a Sentence

The house has fallen into a ruinous state. a ruinous miscalculation of the financial markets left them bankrupt

Recent Examples on the Web

Anyway the food’s beside the point: At its core, Lady Pepa is a hangout—a well-padded final stop on the road out of a ruinous night, where Madrileños come to belt out Billy Joel at the feet of a real-life piano man, free from shame or shade. Cnt Editors, Condé Nast Traveler, "Loud, Crowded, Grease-Stained, and Gloriously Drunk: Where the World Eats After Hours," 8 Oct. 2018 Those interests believe an escalating trade war could be economically ruinous and have been getting louder. Tory Newmyer, Washington Post, "The Finance 202: Free-trade Republican lawmakers mount revolt against Trump tariffs," 7 June 2018 Insurance specialists said the Carry Guard policies are aimed at providing a way for innocent people to protect against the ruinous legal costs that would arise in civil or criminal actions tied to self-defense shootings. Leslie Scism, WSJ, "National Rifle Association Sues Its Insurance Broker," 4 May 2018 These days, the moment a left-wing populist nears power in the Western hemisphere, critics to the right play the Venezuela card, warning of the ruinous consequences of socialist dogmatism. Ishaan Tharoor, Washington Post, "Not Trump or Chávez, Mexico’s president-elect won’t fit your political analogy," 3 July 2018 In trying to navigate the financially ruinous aftershocks of that decision, the prime minister rigged elections, sought to disband Parliament, and usurped the powers of the monarchy. Reuel Marc Gerecht And, WSJ, "Don’t Fear Regime Change in Iran," 11 June 2018 The optic was particularly problematic because many in Britain believe that in 2003, then-Prime Minister Tony Blair was led under false pretenses into a ruinous war in Iraq because of his overly chummy relations with President George W. Bush. William Booth And Paul Schemm,, "Trump ready to apologize for retweeting anti-Muslim videos from far right British group," 27 Jan. 2018 The Trump administration is also weighing imposing tariffs on automobiles and auto parts under the Section 232 authority, a move that some GOP lawmakers believe could be economically ruinous. Erica Werner,, "In symbolic rebuke, Senate votes for a congressional role in Trump’s tariff decisions," 11 July 2018 Anyone familiar with the history of Brazilian soccer knows that such aggression can be ruinous. Franklin Foer, The Atlantic, "The Annoying Genius Who Makes the World Cup Worth Watching," 5 July 2018

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.

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First Known Use of ruinous

14th century, in the meaning defined at sense 1

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Statistics for ruinous

Last Updated

16 Nov 2018

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The first known use of ruinous was in the 14th century

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English Language Learners Definition of ruinous

: causing or likely to cause damage or destruction

: costing far too much money

: falling apart : badly damaged


ru·​in·​ous | \ˈrü-ə-nəs \

Kids Definition of ruinous

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

Other Words from ruinous

ruinously adverb

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More from Merriam-Webster on ruinous

Thesaurus: All synonyms and antonyms for ruinous

Spanish Central: Translation of ruinous

Nglish: Translation of ruinous for Spanish Speakers

Britannica English: Translation of ruinous for Arabic Speakers

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