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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
Much as Israel’s efforts to eliminate Hamas have been ruinous for Palestinian civilians in Gaza, Israel appears to be conducting its operations in Lebanon with little concern for the harm to civilian populations or infrastructure.
—
Mohanad Hage Ali, Foreign Affairs, 1 Nov. 2024
Hamilton’s ruinous reign in the early 2000s had almost left the club homeless.
—Richard Sutcliffe, The Athletic, 16 Aug. 2024
So bad his preference for ruinous eternal companions was a primary source of dramatic tension in Interview With the Vampire’s bold second season, featuring Assad Zaman’s Armand, a bad boyfriend for the ages.
—Roxana Hadadi, Vulture, 2 July 2024
The financial domain could be monetarily ruinous to someone.
—Lance Eliot, Forbes, 5 Nov. 2024
See all Example Sentences for ruinous 
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Mohanad Hage Ali, Foreign Affairs, 1 Nov. 2024
Hamilton’s ruinous reign in the early 2000s had almost left the club homeless.
—Richard Sutcliffe, The Athletic, 16 Aug. 2024
So bad his preference for ruinous eternal companions was a primary source of dramatic tension in Interview With the Vampire’s bold second season, featuring Assad Zaman’s Armand, a bad boyfriend for the ages.
—Roxana Hadadi, Vulture, 2 July 2024
The financial domain could be monetarily ruinous to someone.
—Lance Eliot, Forbes, 5 Nov. 2024
See all Example Sentences for ruinous
Dictionary Entries Near ruinous
Cite this Entry
“Ruinous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ruinous. Accessed 30 Nov. 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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