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deepen

verb

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

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.
Just three months after the Housemaid actress and the music executive were first linked, a source tells PEOPLE the pair’s connection has deepened. Sarah Jones, PEOPLE, 1 Dec. 2025 Certainly, with $313 million being handed out to small screen applicants on November 20, Newsom’s more than doubling of California’s film and TV tax incentive program to $750 million annually earlier this year has deepened the endearment to him in the Hollywood C-suites and among the Guilds. Dominic Patten, Deadline, 1 Dec. 2025 Whatever the veracity of such claims, the events point to both a deepening regional crisis of democracy and the inability of Guinea-Bissau to escape its coup-prone history. John Joseph Chin, The Conversation, 1 Dec. 2025 Her frustration was deepened by the feeling that a better way of doing things was — and perhaps had always been — just out of reach. David Ehrlich, IndieWire, 1 Dec. 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 6 Dec. 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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