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   Ru·in·ous

   /ˈro͞oənəs/

   

   adjective

   • 1. disastrous or destructive: "a ruinous effect on the environment" Similar disastrousdevastatingcatastrophiccalamitouscataclysmiccripplingcrushingdireinjuriousdamagingdestructiveharmfulcostlyOpposite beneficial
   • ▪ costing far more than can be afforded: "the cost of their ransom might be ruinous" Similar extortionateexorbitantexcessively highsky-highoutrageousinflatedmore than can be affordedover the oddsinformal:criminalsteep
   • 2. in ruins; dilapidated: "the castle is ruinous" Similar derelictin ruinsruinedgone to rack and ruindilapidatedtumbledownramshacklebroken-downdecrepitin disrepairfalling to piecesfalling apartcrumblingdecayingdisintegratingneglecteduncared-forinformal:shamblyshackyOpposite intactwell maintained

   Word Origin late Middle English (also in the sense ‘falling down’): from Latin ruinosus, from ruina (see ruin).

   Derivatives

   • 1. ruinously adverb
   • 2. ruinousness noun

   Scrabble Points: 7

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2. www.oed.com › dictionary › ruinous_adjruinous, adj. meanings, etymology and more | Oxford English ...

   www.oed.com › dictionary › ruinous_adj

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   What does the adjective ruinous mean? There are six meanings listed in OED's entry for the adjective ruinous , two of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

3. en.thefreedictionary.com › ruinousRuinous - definition of ruinous by The Free Dictionary

   en.thefreedictionary.com › ruinous

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   1. Causing or apt to cause ruin; destructive: a ruinous habit; a ruinous rivalry. 2. Falling to ruin; dilapidated or decayed. ru′in·ous·ly adv. ru′in·ous·ness n. American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company.

4. www.ldoceonline.com › dictionary › ruinousruinous | meaning of ruinous in Longman Dictionary of ...

   www.ldoceonline.com › dictionary › ruinous

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   ruinous. From Longman Dictionary of Contemporary English ru‧in‧ous /ˈruːɪnəs/ adjective 1 causing a lot of damage or problems a ruinous civil war 2 costing much more than you can afford ruinous rates of interest 3 formal a building that is ruinous has been almost completely destroyed SYN ruined an old ruinous chapel ruinous state ...

5. www.britannica.com › dictionary › ruinousRuinous Definition & Meaning | Britannica Dictionary

   www.britannica.com › dictionary › ruinous

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   1. : causing or likely to cause damage or destruction. Smoking is ruinous [= (more commonly) dangerous, hazardous] to your health. ruinous effects/consequences. 2. : costing far too much money. ruinous price increases. 3. chiefly British, formal : falling apart : badly damaged.

6. www.yourdictionary.com › ruinousRuinous Definition & Meaning | YourDictionary

   www.yourdictionary.com › ruinous

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   Ruinous Definition. Bringing or tending to bring ruin; very destructive or harmful; disastrous. Ruinous floods. Falling or fallen into ruin; dilapidated; decayed.

7. www.wordreference.com › definition › ruinousruinous - WordReference.com Dictionary of English

   www.wordreference.com › definition › ruinous

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   bringing or tending to bring ruin; destructive; disastrous: a ruinous war. fallen into ruin; dilapidated: a ruinous house. consisting of ruins: a ruinous city from antiquity. Latin ruīnōsus, equivalent. to ruīn ( a) ruin + -ōsus - ous. Middle English ruynouse 1350–1400. ru′in•ous•ly, adv. ru′in•ous•ness, n.

8. www.dictionary.com › browse › RuinousnessRUINOUS Definition & Usage Examples | Dictionary.com

   www.dictionary.com › browse › Ruinousness

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   Ruinous definition: bringing or tending to bring ruin; destructive; disastrous. See examples of RUINOUS used in a sentence.