n. Deepness; distance or extension, as measuredn. n. A deep place, literally or figuratively; an abyss; the sea.n. The deepest, innermost, or most central part of anything; the part most remote from the boundary or outer limits: as, the depth of winter or of night; in the depths of a jungle or a forest.n. Abstruseness; obscurity; that which is not easily explored: as, the depth of a science.n. Immensity; infinity; intensity.n. Profoundness; profundity; extent of penetration, or of the capacity of penetrating: as, depth of understanding; depth of skill.n. In painting, darkness and richness of tone: as, great depth of color.n. In logic, the quantity of comprehension; the totality of those attributes which an idea involves in itself, and which cannot be taken away from it without destroying it. This use of the word was borrowed by Hamilton from certain late Greek writers.n. Beyond one's depth, in water too deep for safety; hence, beyond one's ability or means.