deep·​en | \ ˈdē-pən How to pronounce deepen (audio) \
deepened; deepening\ ˈdē-​pə-​niŋ How to pronounce deepen (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 Sharing stories of everyday people will deepen the connection to your company or service, and that draws a crowd every time. Expert Panel®, Forbes, "16 Smart Ways To Stand Out In A Saturated Market," 26 Feb. 2021 On the version for Mutator, Lamere and Artaud deepen the track with heavy percussion while boosting Vega’s vocals and the sinister synths. Jon Blistein, Rolling Stone, "Hear ‘Nike Soldier’ From Upcoming Lost Alan Vega Album ‘Mutator’," 24 Feb. 2021 Used by the pinch or by the cupful, a harmonious spice blend can deepen and round out the flavors of almost any dish, instantly adding color, perfume and, sometimes, a stinging kick. Melissa Clark, New York Times, "For Maximum Flavor, Make These Spice Blends at Home," 22 Feb. 2021 That will only deepen as Perseverance explores Mars. Ashley Strickland, CNN, "The joy of celebrating a rover landing on Mars," 19 Feb. 2021 President Biden's pending decision whether to shut down the controversial Dakota Access oil pipeline could deepen early tensions between environmentalists and unions that endorsed him. Josh Siegel, Washington Examiner, "Biden's next big pipeline decision could deepen clash of greens and unions," 11 Feb. 2021 Studies have suggested, for example, that higher levels of political knowledge, scientific knowledge, and quantitative skill can actually deepen disagreements about climate change and gun control. Osita Nwanevu, The New Republic, "The Democratic Party Has a Fatal Misunderstanding of the QAnon Phenomenon," 5 Feb. 2021 After bringing heavy snow across the mountains and lowlands of Washington and Oregon, with significant icing in northwest Oregon on Saturday, the storm was expected to deepen in the Southern Plains, the Weather Service said. Marie Fazio,, "At least 120 million Americans bracing for coast-to-coast storm," 15 Feb. 2021 The deductions may deepen public anger toward companies prosecutors say played key roles in a destructive public health crisis that kills tens of thousands of Americans every year. Author: Douglas Macmillan, Kevin Schaul, Anchorage Daily News, "Drug companies seek billion-dollar tax deductions from opioid settlement," 12 Feb. 2021

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

5 Mar 2021

Cite this Entry

“Deepen.” Dictionary, Merriam-Webster, Accessed 5 Mar. 2021.

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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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