deepen

[ dee-puh n ]
/ ˈdi pən /

verb (used with or without object)

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.
Meteorology. to decrease in atmospheric pressure: a deepening cyclone.

Origin of deepen

First recorded in 1595–1605; deep + -en1

OTHER WORDS FROM deepen

deep·en·er, noun deep·en·ing·ly, adverb o·ver·deep·en, verb (used with object) un·deep·ened, adjective

Example sentences from the Web for deepened

British Dictionary definitions for deepened

deepen
/ (ˈdiːpən) /

verb

to make or become deep, deeper, or more intense

Derived forms of deepen

deepener, noun