adjective Extending, reaching or positioned far from a point of reference, especially downwards. Extending far down from the top, or surface, to the bottom, literally or figuratively.
The lake is extremely deep.
adjective Extending far down from the top, or surface, to the bottom, literally or figuratively.
The lake is extremely deep.
adjective Positioned far from the surface or other reference point, especially down through something or into something.
Diving down to deep wrecks can be dangerous.
adjective Positioned far from the boundaries of or main approaches to (the specified place); interior.
adjective Far in extent in another (non-downwards, but generally also non-upwards) direction, especially front-to-back.
The shelves are 30 centimetres deep. — They are deep shelves.
adjective Extending to a level or length equivalent to the stated thing.
The water was waist-deep.
adjective In a (specified) number of rows or layers.
a crowd four deep along the funeral procession, with people two deep on the sidewalks