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: causing or tending to cause ruin
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
But in the absence of stable governance and effective regulations since the 1991 civil war, foreign fishing trawlers have deployed ruinous techniques to exploit the rich fishing environment.
—
Soham Mitra, Lou Robinson and Patrick Gallagher, CNN, 22 Feb. 2025
Wielding the language of liberal internationalism to justify ruinous intervention abroad has long been the modus operandi of the neoconservatives, who, since the ascendancy of Trump over the Republican Party, have gravitated back to their original home among the Democrats.
—Anatol Lieven, Harper's Magazine, 19 Feb. 2025
Sudan: The Rapid Support Forces, the paramilitary group battling for power in the nation’s ruinous civil war, announced plans to form a breakaway government.
—Natasha Frost, New York Times, 19 Feb. 2025
For typical investors, such high leverage can be ruinous.
—Shahar Ziv, Forbes, 3 Mar. 2025
See All Example Sentences for ruinous
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Soham Mitra, Lou Robinson and Patrick Gallagher, CNN, 22 Feb. 2025
Wielding the language of liberal internationalism to justify ruinous intervention abroad has long been the modus operandi of the neoconservatives, who, since the ascendancy of Trump over the Republican Party, have gravitated back to their original home among the Democrats.
—Anatol Lieven, Harper's Magazine, 19 Feb. 2025
Sudan: The Rapid Support Forces, the paramilitary group battling for power in the nation’s ruinous civil war, announced plans to form a breakaway government.
—Natasha Frost, New York Times, 19 Feb. 2025
For typical investors, such high leverage can be ruinous.
—Shahar Ziv, Forbes, 3 Mar. 2025
See All Example Sentences for ruinous
Cite this Entry
“Ruinous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ruinous. Accessed 24 Mar. 2025.
Copy CitationKids Definition
ruinous
adjective
ru·in·ous
ˈrü-ə-nəs 
: causing or tending to cause ruin : destructive
ruinously
adverb
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