Deep

głęboki

(having its bottom far down)

głęboki

(profound)

głęboki

(of a sound or voice, low in pitch)

głęboki

(of a color, dark and highly saturated)

głęboki

(difficult to awake from)

niski

(of a sound or voice, low in pitch)

głęboko

(deeply)

głębia

((literary) part of a lake, sea, etc)

głębiny

(the sea, the ocean)