Deep·en v. t. [imp. & p. p. Deepened p. pr. & vb. n. Deepening.]
1. To make deep or deeper; to increase the depth of; to sink lower; as, to deepen a well or a channel.
It would . . . deepen the bed of the Tiber. --Addison.
2. To make darker or more intense; to darken; as, the event deepened the prevailing gloom.
You must deepen your colors. --Peacham.
3. To make more poignant or affecting; to increase in degree; as, to deepen grief or sorrow.
4. To make more grave or low in tone; as, to deepen the tones of an organ.
Deepens the murmur of the falling floods. --Pope.
adj : having accumulated or become more intense; "the deepened
gloom" [syn: gathered]