ruin
Americannoun
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ruins
plural
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ruins, the remains of a building, city, etc., that has been destroyed or that is in disrepair or a state of decay.
We visited the ruins of ancient Greece.
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a destroyed or decayed building, town, etc.
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a fallen, wrecked, or decayed condition.
The building fell to ruin.
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the downfall, decay, or destruction of anything.
- Antonyms:
- creation, construction
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the complete loss of health, means, position, hope, or the like.
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something that causes a downfall or destruction; blight.
Alcohol was his ruin.
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the downfall of a person; undoing.
Fate decreed the ruin of Oedipus.
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a person as the wreck of their former self; ravaged individual.
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the act of causing destruction or a downfall.
verb (used with object)
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ruins,
present (3rd person singular)
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ruined,
past participle, past
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ruining
present participle
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to reduce to a fallen, wrecked, or decayed condition; devastate.
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to bring (a person, company, etc.) to financial destruction; bankrupt.
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to damage, spoil, or injure (a thing) irretrievably.
Not only was the burned stew inedible, but I had absolutely ruined one of my favorite pots.
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Older Use. to induce (a woman) to surrender her virginity; deflower.
verb (used without object)
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ruins,
present (3rd person singular)
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ruined,
past participle, past
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ruining
present participle
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to fall into decay; fall to pieces.
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to come to downfall or destruction.
noun
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destroyed or decayed building or town
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the state or condition of being destroyed or decayed
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loss of wealth, position, etc, or something that causes such loss; downfall
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something that is severely damaged
his life was a ruin
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a person who has suffered a downfall, bankruptcy, etc
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loss of value or usefulness
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archaic loss of her virginity by a woman outside marriage
verb
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(tr) to bring to ruin; destroy
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(tr) to injure or spoil
the town has been ruined with tower blocks
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archaic (intr) to fall into ruins; collapse
Usage
What does ruin mean? Ruin is most commonly used as a verb meaning to destroy or spoil. As a noun, ruin means the remains of a destroyed or decayed place, especially a half-standing building or city. It is most commonly used in the plural, as in ancient ruins. Example: I feel like the once-quiet atmosphere of the ancient ruins has been ruined by the presence of too many tourists and commercial vendors.
Synonym Usage
Ruin, destruction, havoc imply irrevocable and often widespread damage. Destruction may be on a large or small scale ( destruction of tissue, of enemy vessels ); it emphasizes particularly the act of destroying, while ruin and havoc emphasize the resultant state. Ruin, from the verb meaning to fall to pieces, suggests a state of decay or disintegration (or an object in that state) that is apt to be more the result of the natural processes of time and change than of sudden violent activity from without: The house has fallen to ruins. Only in its figurative application is it apt to suggest the result of destruction from without: the ruin of her hopes. Havoc, originally a cry that served as the signal for pillaging, has changed its reference from that of spoliation to devastation, being used particularly of the destruction following in the wake of natural calamities: the havoc wrought by flood and pestilence. Today it is used figuratively to refer to the destruction of hopes and plans: This sudden turn of events played havoc with her carefully laid designs. See spoil.
Other Word Forms
Derived Forms
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ruinernoun
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self-ruinnoun
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half-ruinedadjective
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nonruinableadjective
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ruinableadjective
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self-ruinedadjective
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unruinableadjective
Inflected Forms
Nouns
Participles
Conjugated Forms
Present
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ruinsimple
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ruinssimple
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have ruinedperfect
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has ruinedperfect
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am ruiningprogressive
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are ruiningprogressive
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is ruiningprogressive
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have been ruiningperfect progressive
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has been ruiningperfect progressive
Past
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ruinedsimple
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had ruinedperfect
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was ruiningprogressive
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were ruiningprogressive
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had been ruiningperfect progressive
Future
Etymology
Origin of ruin
First recorded in 1325–75; Middle English noun rueyne, ruyen, from Middle French ruwine, from Latin ruīna “headlong rush, fall, collapse,” equivalent to ruere “to fall” + -īna feminine singular of suffix -īnus; ; verb ultimately derivative of the noun; see -ine 2
Explanation
To ruin means to wreck or destroy. If you're wearing a long dress, make sure your clumsy brother stays away from you. If he steps on it, it'll rip and be ruined. Bad news always ruins your day and a guest's bad behavior can really ruin a party and all your fun! Be careful when adding salt to your food — too much will ruin it. Often you will see ruin used as a noun that means the state of ruin, the action that causes it or the destruction itself. If you are a ruin of your former self, you're in pretty bad shape. Use ruins for the remains of old castles and Roman structures.
Vocabulary lists containing ruin
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
Their financial advisers are pushing products that purport to offer better returns than money-market funds, after taxes, but limit the chance a market swoon will ruin their long-awaited retirement.
From The Wall Street Journal ● Aug. 12, 2026
Brushing his hand over crackling vine leaves, French winemaker Gregory Guibergia was relieved a wildfire only scorched the edge of his vineyard but he feared its smoke would ruin this year's vintage.
From Barron's ● Aug. 6, 2026
When Bertha’s down-to-earth sister, Monica, threatens to ruin the overall aesthetic with a dowdy frock, some light sabotage leads Monica to accept Bertha’s previously worn Season 1 gown.
From Los Angeles Times ● Aug. 4, 2026
The senator’s ability to compartmentalize, once his political superpower, became his ruin, morphing into outright denial.
From Salon ● Jul. 13, 2026
“Calm down. If this is really a problem for you, I can take you out the back entrance, so you don’t ruin this workshop for everyone else.”
From "Found" by Margaret Peterson Haddix
Marlene Nino, a 70-year-old retired lawyer who lost her sister Doris, said she felt grateful for the volunteers who helped recover some of her photos from the ruins.
From Barron's ● Aug. 17, 2026
He pitched a tent not far from the ruins of their former home.
From Los Angeles Times ● Aug. 14, 2026
"There was a bridge there, there were shops, and there was a school. All of them were buried under floodwater, mud, and debris. The area has been completely reduced to ruins," Rahimzai told AFP.
From Barron's ● Aug. 9, 2026
Increasingly, Palestinian residents of Sebastia fear that their close connection with the ruins is in danger of being lost.
From BBC ● Aug. 8, 2026
A few hundred meters away at the top of the nearest hill stood a cluster of ruins.
From "The House of Hades" by Rick Riordan
Burton Albion's first major semi‑final was somewhat ruined as they were roundly thrashed by Manchester City.
From BBC ● Aug. 8, 2026
Meanwhile, Galicia says he continues to pay mortgage on his ruined property.
From Los Angeles Times ● Aug. 1, 2026
Alexis Burris Duncan lost trust in the professionals when they nearly ruined her car.
From The Wall Street Journal ● Aug. 1, 2026
Soldiers cordoned off the area before using dynamite to blast the first ruined building apart -- a 12-story residential tower that had partially collapsed and was slanting toward the street.
From Barron's ● Jul. 30, 2026
And reminders of the disaster were everywhere in their village—the crumbling church, the ruined school, the graveyard where Mama was buried.
From "I Survived the Great Molasses Flood, 1919" by Lauren Tarshis
“We are not ruining a park,” he said.
From The Wall Street Journal ● Aug. 12, 2026
And finally, they talk about why weather apps are ruining our summer fun.
From Slate ● Aug. 8, 2026
Around 220,000 people have been evacuated in the region, with 45 campsites forced to shut, ruining the holiday plans of around 40,000 people.
From Barron's ● Jul. 27, 2026
Among their anecdotes was how Gervais came close to ruining filming on a daily basis.
From BBC ● Jul. 9, 2026
She knew she was ruining the moment for her parents.
From "Book Scavenger" by Jennifer Chambliss Bertman
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
