deepen

verb

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

transitive verb

: to make deep or deeper

intransitive verb

: to become deeper or more profound

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.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
His remarks signal that military co-operation between Moscow and Pyongyang is likely to deepen. Brendan Cole, MSNBC Newsweek, 12 July 2025 This kind of downtime is rare for both of them, and it’s really allowed their bond to deepen. Madison E. Goldberg, People.com, 11 July 2025 Additionally, Bondi’s claims since becoming attorney general have only deepened misunderstandings and questions about her handling of the information rollout. Kaelan Deese, The Washington Examiner, 11 July 2025 The Three Dots and a Dash features juicy orange contrasted against textured spice, grassy rum deepened with rich honey, with the lime and falernum reminding you that this is all a tropical experience. Jeremy Repanich, Robb Report, 11 July 2025 See All Example Sentences for deepen

Word History

First Known Use

1600, in the meaning defined at transitive sense

Time Traveler
The first known use of deepen was in 1600

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Cite this Entry

“Deepen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deepen. Accessed 15 Jul. 2025.

Kids Definition

deepen

verb
deep·​en ˈdē-pən How to pronounce deepen (audio)
deepened; deepening ˈdēp-(ə-)niŋ How to pronounce deepen (audio)
: to make or become deep or deeper

More from Merriam-Webster on deepen

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