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

• His voice is really deep.

  Tatoeba · ddnktr · CC BY 2.0 FR

• This well is very deep.

  Tatoeba · _undertoad · CC BY 2.0 FR

Extending, reaching or positioned far from a point of reference, especially downwards.; Positioned far from the surface or other reference point, especially down through something or into something

Extending, reaching or positioned far from a point of reference, especially downwards.; Positioned far from the boundaries of or main approaches to (the specified place); interior

Extending, reaching or positioned far from a point of reference, especially downwards.; Far in extent in another (non-downwards, but generally also non-upwards) direction, especially front-to-back

Extending, reaching or positioned far from a point of reference, especially downwards.; Extending to a level or length equivalent to the stated thing

Extending, reaching or positioned far from a point of reference, especially downwards.; Voluminous

Far, especially far down through something or into something, physically or figuratively

• The lake is deep here.

  Tatoeba · CK · CC BY 2.0 FR

• The river is deep here.

  Tatoeba · CK · CC BY 2.0 FR

In a profound, not superficial, manner

In large volume

Back towards one's own goal, baseline, or similar