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.

DEEPEN
Deep"en, v. i.

Defn: 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
Deep"-fet`, a.

Defn: Deeply fetched or drawn. [Obs.] "Deep-fet groans." Shak.

DEEP-LAID
Deep"-laid`, a.

Defn: Laid deeply; formed with cunning and sagacity; as, deep-laid plans.

DEEPLY
Deep"ly, adv.