deep·en | \ˈdē-pən \
deepened; deepening\ˈdē-pə-niŋ, ˈdēp-niŋ \

Definition of deepen 

transitive verb

: to make deep or deeper

intransitive verb

: to become deeper or more profound

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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.
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Recent Examples on the Web

Describing the government's plans to bring 2,485 miles of roads and 24-hour electricity to the country, Lafontant sounded more like a politician still on the campaign trail than one with a grip on the deepening crisis. Jacqueline Charles, miamiherald, "As violent protests continue over gas prices, U.S. airlines cancel all flights to Haiti," 7 July 2018 Interruptions at the fields of El-Feel and Sharara could set back an oil-production resurgence; deepening instability would be a boon for Islamist militants who could link up with others in the nearby Sahel., "To Settle East-West Feud, Libya's Chief Rivals Take It South," 25 Mar. 2018 Indeed, the value of the Venezuelan currency, the bolivar, has been decimated by official mismanagement and the impact of U.S. sanctions, which were imposed last year to punish Maduro for his deepening authoritarianism. Simon Shuster, Time, "Exclusive: Russia Secretly Helped Venezuela Launch a Cryptocurrency to Evade U.S. Sanctions," 20 Mar. 2018 Their duets don't convince us of their instant attraction or deepening love; Diamond struggles to master Mimi's demanding part, sounding strained and flat. Andrea Simakis,, "'Rent' 20th anniversary tour lacks the heat and heart of Jonathan Larson's groundbreaking epic (review)," 9 Mar. 2018 In the United States, this scrutiny deepened early last year when HNA announced plans to buy the hedge fund firm owned by Anthony Scaramucci, who was the communications director for the White House at the time. Alexandra Stevenson, New York Times, "HNA Will Transfer Co-Chairman’s Stake as Ownership Doubts Linger," 13 July 2018 The development, condemned by the Palestinians, deepened a budget crunch for the Palestinian government already hit hard by U.S. cuts in aid. Ilan Ben Zion, The Seattle Times, "Israel law freezes funds for Palestinian attackers’ families," 2 July 2018 The 2018 selloff in cryptocurrencies deepened, wiping out $42 billion of market value over the weekend and extending this year’s slump in Bitcoin to more than 50%. Fortune, "Bitcoin Meltdown: Cryptocurrencies Lost $42 Billion in Value Over the Weekend," 11 June 2018 Trump's comments only deepened the mystery surrounding his wife's hospitalization in mid-May and her weeks-long absence from the public eye., "Trump Says First Lady’s Doctors Told Her Not to Fly Following Operation," 8 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'deepen.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of deepen

1598, in the meaning defined at transitive sense

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Statistics for deepen

Last Updated

7 Oct 2018

Look-up Popularity

Time Traveler for deepen

The first known use of deepen was in 1598

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More Definitions for deepen



English Language Learners Definition of deepen

: to become or to cause (something) to become deep or deeper

: to become or to cause (something, such as a feeling or emotion) to become stronger or more powerful

: to make (your knowledge, understanding, etc.) fuller or more complete


deep·en | \ˈdē-pən \
deepened; deepening

Kids Definition of deepen

: to make or become deep or deeper I deepened the hole.

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Comments on deepen

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