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English definition of “deepen”

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deepen

verb [I or T]
 
 
/ˈdiːpən/
to increase or become more serious; to make something increase or become more serious: There are fears that the crisis in the Pacific region could deepen considerably. Some experts say raising interest rates to fight inflation might deepen the economic slowdown. To deepen its relationships with advertisers, the company has begun to offer corporate customers access to research about online consumers.
(Definition of deepen from the Cambridge Business English Dictionary © Cambridge University Press)
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