extending far down from the top or surface

a deep gorge

the lake was deep and cold

very intense or extreme

she was in deep trouble

a deep sleep

(of sound) low in pitch and full in tone; not shrill

a deep, resonant voice

(of colour) dark and intense

a deep pink

the sea

denizens of the deep

the part of the field distant from the batter

far down or in; deeply

he travelled deep into the forest