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English definition of “diminish”

diminish

verb [I or T] uk   /dɪˈmɪn.ɪʃ/ us  
C1 to reduce or be reduced in size or importance: I don't want to diminish her achievements, but she did have a lot of help. These memories will not be diminished by time. What he did has seriously diminished him in many people's eyes. We've seen our house diminish greatly/sharply/substantially in value over the last six months.
(Definition of diminish from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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