deepen

American  

[dee-puhn] / ˈdi pən /

verb (used with or without object)

1. to make or become deep or deeper: deep.

   Larger ships will be able to navigate the river after the main channel is deepened. The shadows deepened toward late afternoon.

2. Meteorology. to decrease in atmospheric pressure.

   a deepening cyclone.

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deepen British  

/ ˈdiːpən /

verb

1. to make or become deep, deeper, or more intense

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Other Word Forms

• deepener noun
• deepeningly adverb
• overdeepen verb (used with object)
• undeepened adjective

Etymology

Origin of deepen

First recorded in 1595–1605; deep + -en ¹

Example Sentences

The internet shutdown is deepening the economic crisis that triggered the protests.

From The Wall Street Journal

However, Villeroy said progress on deepening the single European market for goods, services, savings and investment has been disappointing.

From The Wall Street Journal

In the 1990s, further experiments deepened the mystery.

From Science Daily

Powell McCormick’s appointment also comes as Meta continues to try to deepen ties with the current administration.

From The Wall Street Journal

The visit was organized by oil magnate and GOP donor Harry Sargeant III, who has helped broker agreements aimed at deepening U.S. commercial engagement in Venezuela.

From The Wall Street Journal

Related Words

• aggravate
• develop
• enhance
• expand
• heighten
• increase
• intensify
• redouble
• reinforce
• strengthen