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English definition of “ruin”

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ruin

noun
 
 
/ˈruːɪn/
[U] the loss of all your money, your business, or your reputation: Many workers are one health catastrophe away from financial ruin. the brink/edge/verge of ruin
be/lie in ruins a place, building, etc. that is in ruins has been extremely badly damaged: The showroom was in ruins after the flood. to have failed or got into an extremely bad state: The economy was in ruins after the war. He lied about the company's finances, and now his career is in ruins.
(Definition of ruin noun from the Cambridge Business English Dictionary © Cambridge University Press)
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