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English definition of “decline”

decline

verb [I] (GO DOWN)    /dɪˈklaɪn/
B2 to gradually become less, worse, or lower: His interest in the project declined after his wife died. The party's popularity has declined in the opinion polls.formal The land declines sharply away from the house.Deteriorating and making worse
(Definition of decline verb (GO DOWN) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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