deep·​en | \ ˈdē-pən How to pronounce deepen (audio) \
deepened; deepening\ ˈdē-​pə-​niŋ How to pronounce deepening (audio) , ˈdēp-​niŋ \

Definition of deepen

transitive verb

: to make deep or deeper

intransitive verb

: to become deeper or more profound

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Examples of deepen in a Sentence

They deepened the river so that larger boats could sail through. Age had deepened the lines in his face. The water deepens toward the center of the river. Her powerful words deepened our commitment to the cause. The vacation together deepened their relationship with each other. The mystery was deepened by her silence. This class will deepen your understanding of economics. Living in the country's capital had deepened her knowledge of politics.
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Recent Examples on the Web

The number of babies born in the U.S. last year fell to a 32-year low, deepening a fertility slump that is reshaping America’s future workforce. Anthony Debarros And Janet Adamy, WSJ, "U.S. Births Fall to Lowest Level Since 1980s," 15 May 2019 After focusing on your commitments to other people all month, May closes with a turn towards deepening those connections that have become most important to you. Randon Rosenbohm, Allure, "What May’s Scorpio Horoscope Predictions Mean for You," 30 Apr. 2019 Political observers who are alarmed by President Trump’s tariffs have invoked the Smoot Hawley tariffs that were blamed for deepening the Great Depression in the 1930s. Michael Joe Murphy,, "World trade — what everyone needs to know," 11 July 2018 Is there a ceiling to Barkov line’s production and are ultra-talented players wasted playing with him instead of deepening a lineup? Matthew Defranks,, "Does it matter who Panthers center Aleksander Barkov's linemates are?," 6 July 2018 Cousins would share the latest rap releases with him, deepening his exposure to influential names like Lil Wayne, Young Jeezy, Gucci Mane and Eminem. Jessi Roti,, "For Juice Wrld, mega-streaming numbers and 'emo rap' are just the beginning," 27 June 2018 She was hired in 2015 as head of fashion partnerships, bringing her connections to Silicon Valley and deepening Instagram’s relationship with the industry. Sarah Spellings, The Cut, "YouTube Hires a Fashion-Industry Whisperer," 25 June 2018 The Port of Corpus Christi on Tuesday approved borrowing $217 million to finance major improvements including deepening the port's ship channel. Rye Druzin, Houston Chronicle, "Corpus Christi port approves $217 million for improvements," 19 June 2018 Tweets like the one about Iger will simply inflame then further, deepening the us-vs.-them divide. Bill Goodykoontz, azcentral, "A year after 'covfefe': Twitter is Trump's greatest tool," 30 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'deepen.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of deepen

1598, in the meaning defined at transitive sense

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Statistics for deepen

Last Updated

20 May 2019

Look-up Popularity

Time Traveler for deepen

The first known use of deepen was in 1598

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More Definitions for deepen



English Language Learners Definition of deepen

: to become or to cause (something) to become deep or deeper
: to become or to cause (something, such as a feeling or emotion) to become stronger or more powerful
: to make (your knowledge, understanding, etc.) fuller or more complete


deep·​en | \ ˈdē-pən How to pronounce deepen (audio) \
deepened; deepening

Kids Definition of deepen

: to make or become deep or deeper I deepened the hole.

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More from Merriam-Webster on deepen

Rhyming Dictionary: Words that rhyme with deepen

Thesaurus: All synonyms and antonyms for deepen

Spanish Central: Translation of deepen

Nglish: Translation of deepen for Spanish Speakers

Britannica English: Translation of deepen for Arabic Speakers

Comments on deepen

What made you want to look up deepen? Please tell us where you read or heard it (including the quote, if possible).


a strong desire or propensity

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