Noun | 1. | depth - extent downward or backward or inward; "the depth of the water"; "depth of a shelf"; "depth of a closet" |
2. | depth - degree of psychological or intellectual depth | |
3. | depth - (usually plural) the deepest and most remote part; "from the depths of darkest Africa"; "signals received from the depths of space" | |
4. | depth - (usually plural) a low moral state; "he had sunk to the depths of addiction" | |
5. | depth - the intellectual ability to penetrate deeply into ideas |