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: causing or tending to cause ruin
ruinously
adverb
ruinousness
noun
Synonyms
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
More:Iran launches dozens of drones at Israel, one injured in attack
Revolution, war and mass graves
That summer, Iran was nearing the end of a ruinous eight-year war launched by its neighbor Iraq.
—
Dan Morrison, USA TODAY, 20 May 2024
Ironically, the coronavirus pandemic, ruinous to many restaurants, propelled Finigan to creative maturity.
—Kevin West, Travel + Leisure, 5 May 2024
See all Example Sentences for ruinous 
Dan Morrison, USA TODAY, 20 May 2024
Ironically, the coronavirus pandemic, ruinous to many restaurants, propelled Finigan to creative maturity.
—Kevin West, Travel + Leisure, 5 May 2024
See all Example Sentences for ruinous
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'ruinous.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near ruinous
Cite this Entry
“Ruinous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ruinous. Accessed 1 Jun. 2024.
Copy CitationKids Definition
ruinous
adjective
ru·in·ous
ˈrü-ə-nəs 
: causing or tending to cause ruin : destructive
ruinously
adverb
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