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English definition of “deepen”

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deepen

verb uk   /ˈdiː.pən/ us  

deepen verb (DOWN)

[I or T] 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.

deepen verb (STRONGLY FELT)

C2 [I or T] to become more strongly felt or experienced, or to make something this way: Over the years, her love for him deepened. The economic crisis is deepening. We must try not to deepen existing splits within the party.

deepen verb (COMPLICATED)

C1 [I or T] to make something increase or become more serious: It certainly helped to deepen my understanding of the situation.

deepen verb (LOW)

[I] to become lower: Boys' voices deepen in their early to mid-teens.

deepen verb (DARK)

[I] to become darker: The shadows deepened as the sun dropped below the horizon.
(Definition of deepen from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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