Milton.
Blue Neptune storms, the bellowing deeps resound.
Pope.
2. That which is profound, not easily fathomed, or incomprehensible; a moral or spiritual depth or abyss.
Thy judgments are a great deep.
Ps. xxxvi. 6.
Deep of night, the most quiet or profound part of night; dead of night.
The deep of night is crept upon our talk.
Shak.
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.
Deep"en, v. i. To become deeper; as, the water deepens at every cast of the lead; the plot deepens.
His blood-red tresses deepening in the sun.
Byron.
Deep"-fet` (?), a. Deeply fetched or drawn. [Obs.] "Deep-fet groans." Shak.
Deep"-laid` (?), a. Laid deeply; formed with cunning and sagacity; as, deep-laid plans.
Deep"ly, adv. 1. At or to a great depth; far below the surface; as, to sink deeply.
2. Profoundly; thoroughly; not superficially; in a high degree; intensely; as, deeply skilled in ethics.
He had deeply offended both his nobles and people.
Bacon.
The Gutenberg Webster's Unabridged Dictionary: Section D and E · The Wunder Library — complete classics, free to read, with narration.