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.
By Tuesday morning, the Weather Service said rain is expected to intensify first over the North Bay, then spread south into the rest of the Bay Area and Central Coast through the afternoon and evening as a rapidly deepening Pacific low tracks parallel to the California coast. Carlos E. Castañeda, CBS News, 22 Dec. 2025 For some, the sense that everyone else is celebrating only deepens feelings of isolation. Ken Fisher, Boston Herald, 22 Dec. 2025 Both men blame years of government mismanagement and corruption for deepening the crisis. Mohammed Tawfeeq, CNN Money, 21 Dec. 2025 As the week unfolds, Venus enters Capricorn on December 24th, joining the sun and Mars and deepening your desire for emotional and financial integrity. Dossé-Via Trenou, Refinery29, 21 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 23 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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