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.
Self-reflection is currently an ideal way to deepen our connections. Tarot.com, Baltimore Sun, 4 Apr. 2026 Sharing these discoveries with fellow gardeners deepens our sense of connection and joy. Rita Perwich, San Diego Union-Tribune, 4 Apr. 2026 For Christians, Easter marks the end of Lent, a season meant for deepening one’s faith through prayer, fasting and helping those in need. Lauren Costantino, Miami Herald, 4 Apr. 2026 And while Kennedy’s 27-year run at one company may be unusual today, the underlying lesson is that meaningful career growth comes from continually expanding one’s range, deepening judgment, and seeking out stretch opportunities—whether that happens within one company or across several. Sheryl Estrada, Fortune, 3 Apr. 2026 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 5 Apr. 2026.

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

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