(with "the") The deep part of a lake, sea, etc.
(with "the") A silent time; quiet isolation.
A deep shade of colour.
The profound part of a problem.
(with "the") The sea, the ocean.
A fielding position near the boundary.
(of a physical distance) Extending far away from a point of reference, especially downwards.
(intellectual, social) Complex, involved.
(sound, voice) Low in pitch.
(of a color) Highly saturated.
(sleep) Sound, heavy (describing a state of sleep from which one is not easily awoken).
Immersed, submerged (in).
Muddy; boggy; sandy; said of roads.
(of time) Distant in the past, ancient.
Deeply.