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deepen

 - 2 dictionary results

deep⋅en

[dee-puhn]
–verb (used with object), verb (used without object)
1. to make or become deep or deeper: 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.

Origin:
1595–1605; deep + -en 1


deep⋅en⋅er, noun
deep⋅en⋅ing⋅ly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To deepen
deep·en   (dē'pən)   
tr. & intr.v.   deep·ened, deep·en·ing, deep·ens
To make or become deep or deeper.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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