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.
Regular briefings with Gartner, Forrester or other industry-specific analysts can yield strategic insights and visibility that deepen over time. Rene Musech, Forbes.com, 18 June 2025 Hayes continues to find ways to deepen the USWNT player pool, tapping a quartet of players who are being called into this national team environment for the first time. Melanie Anzidei, New York Times, 18 June 2025 The distribution agreement deepens the collaboration between TF1 and Netflix, which already co-produce series together, including Les Combattantes, L’Agence and Tout le bleu du ciel. Scott Roxborough, HollywoodReporter, 18 June 2025 The fractures that divided Senate Republicans before the bill text was released on June 16 remain – or have deepened – now that the details are clear. Riley Beggin, USA Today, 18 June 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

Browse Nearby Words

Cite this Entry

“Deepen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deepen. Accessed 24 Jun. 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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!