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English definition of “cost”

cost

noun [S or U] (SOMETHING LOST/GIVEN)    /kɒst/ US  /kɑːst/
B2 something that is given, needed , or lost in order to get a particular thing: We were going to paint the house ourselves, but when we considered the cost in time and effort , we decided to get a painter to do it for us. The driver managed not to hit the child who ran in front of his car , but only at the cost of injuring himself. She has finally got the job she wanted , but at great personal cost (= she has had to give up other things that were important to her). It's not worth getting into an argument with Tim, as I learned to my cost (= from my unpleasant experience of having done so).Costs and expenses
(Definition of cost noun (SOMETHING LOST/GIVEN) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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