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English definition of “deepen”

deepen

verb [I or T] (DOWN)    /ˈdiː.pən/
to make something deeper, or to become deeper: One way of preventing further flooding would be to deepen the river bed. The sea bed deepens here to 5,000 metres.Enlarging and inflatingBecoming bigger
(Definition of deepen verb (DOWN) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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