definition of
[depth]

[1] #1 depth n. [deepness] the extent downward or backward or inward; "the depth of the water"; "depth of a shelf"; "depth of a closet". wn

[2] #2 depth n. degree of psychological or intellectual profundity. wn

[3] #3 depth n. (usually plural) the deepest and most remote part; "from the depths of darkest Africa"; "signals received from the depths of space". wn

[4] #4 depth n. (usually plural) a low moral state; "he had sunk to the depths of addiction". wn

[5] #5 depth n. [astuteness, profundity, profoundness, deepness] the intellectual ability to penetrate deeply into ideas. wn