deepen

verb
deep·​en | \ˈdē-pən \
deepened; deepening\ˈdē-​pə-​niŋ, 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

Italy on Monday tightened criteria for migrants receiving humanitarian protection as its populist government deepened its crackdown on those seeking asylum. Frances D'emilio, Fox News, "Italy tightens eligibility for migrant protection," 24 Sep. 2018 But as the blowout deepens and the time ticks away, this game erodes into typical all-star schlock. Gregg Doyel, Indianapolis Star, "Doyel: In final high school game, Romeo Langford doesn't disappoint the fans," 10 June 2018 Advocates for low-income consumers say that eliminating resellers would only deepen that divide. Ryan Barwick, Ars Technica, "Millions could lose cheap phone service under FCC’s overhaul of Lifeline," 4 Sep. 2018 The process will help deepen their understanding of the natural fossilization process, and determine the materials that can become preserved into fossil. Laura Yan, Popular Mechanics, "Researchers Are Baking Up 24-Hour Fossils," 5 Aug. 2018 Participants learn centering prayer from others in recovery and deepen awareness of the presence of a higher power. Linda Mcintosh, sandiegouniontribune.com, "Escondido gets 90+ firefighting jackets," 5 July 2018 But as his estrangement from traditional US allies deepens and the outcomes of his summit with Kim Jong Un are disputed, an uncertain and challenging road is coming into clearer view. Jeremy Diamond, Jeff Zeleny And Kevin Liptak, CNN, "Trump resets the world stage," 13 June 2018 But a solution seems a long way off, partly because of deepening skepticism in Turkey and elsewhere that the brazen crime could have been carried out without the knowledge of Prince Mohammed, the kingdom’s heir apparent. Aya Batrawy, The Seattle Times, "Saudi Arabia again changes its story on Khashoggi killing," 25 Oct. 2018 Add maple syrup, butter, salt, and lemon juice and cook, swirling pan occasionally, until mixture begins to thicken, deepen in color and smell like caramel, 5 to 8 min.; remove from heat. The Good Housekeeping Test Kitchen, Good Housekeeping, "Maple-Pear Tarte Tatin," 9 Oct. 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

16 Dec 2018

Look-up Popularity

Time Traveler for deepen

The first known use of deepen was in 1598

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More Definitions for deepen

deepen

verb

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

deepen

verb
deep·​en | \ˈdē-pən \
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

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