deepen: Meaning and Definition of

deep•en

Pronunciation: (dē'pun), [key]
— v.t., v.i.
  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. to decrease in atmospheric pressure: a deepening cyclone.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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