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.
Aromatic onion, bell pepper and garlic are used to enhance and deepen the sauce. Robin Miller, AZCentral.com, 29 Aug. 2025 Factory-gate deflation deepened in June and July, falling to its worst level in two years as sluggish domestic demand compounded the country’s overcapacity pressure. Anniek Bao, CNBC, 27 Aug. 2025 Expanding globally and deepening ties Active Clubs maintain strategic and ideological connections with formal white supremacist groups, including Patriot Front, a white nationalist and neofascist group founded in 2017 by Thomas Rousseau after the Unite the Right rally in Charlottesville, Virginia. Art Jipson, The Conversation, 26 Aug. 2025 And that mix — loyalists deepening their connection, new faces being folded in — is where the business logic shines. Lela London, Forbes.com, 26 Aug. 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 8 Sep. 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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