Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “deepen”

See all translations

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)
What is the pronunciation of deepen?
Add Cambridge dictionaries to your browser to your website

Definitions of “deepen” in other dictionaries

Word of the Day

comma

the symbol , used in writing to separate parts of a sentence showing a slight pause, or to separate the single things in a list

Word of the Day

Lies, lies, lies!

by Kate Woodford,
February 25, 2015
​​​ According to sociologists (=people who study the relationships between people living in groups), we are good at lying. As a species, we have developed a remarkable ability to deceive each other (= persuade each other that something false is true). Being able to say things that are not true can help with

Read More 

showrooming noun

February 23, 2015
the activity of examining a product in a physical store and then making the purchase with an online retailer Amazon’s new smartphone is specifically designed to make showrooming fast and easy.

Read More