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English definition of “spare”

spare

verb (TRY HARD)    /speər/ US  /sper/
spare no effort/expense C2 to use a lot of effort, expense, etc. to do something: [+ to infinitive] We will spare no effort to find out who did this.Using and misusing not spare yourself formal to try as hard as you can to achieve something: She never spared herself in the pursuit of excellence.Trying and making an effortEffort and expending energy
(Definition of spare verb (TRY HARD) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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