Deep'ly, adv.

adv. 1. At or to a great depth; far below the surface; as, to sink deeply.

2. Profoundly; thoroughly; as, deeply skilled in ethics or anatomy.
3. With profound feeling; with great sorrow; most feelingly.

He sighed deeply in his spirit. Mark viii. 12. 4. To a great degree. “The deeply red juice of buckthorn.” Boyle. He had deeply offended both his nobles and his people. Bacon.

5. Gravely; with low or deep tone; as, a deeply toned instrument.
6. With profound skill; with art or intricacy; as, a deeply laid plot or intrigue.