(superl.) Extending far below the surface; of great perpendicular
dimension (measured from the surface downward, and distinguished from
high, which is measured upward); far to the bottom; having a certain
depth; as, a deep sea.
(superl.) Extending far back from the front or outer part; of
great horizontal dimension (measured backward from the front or nearer
part, mouth, etc.); as, a deep cave or recess or wound; a gallery ten
seats deep; a company of soldiers six files deep.
(superl.) Low in situation; lying far below the general surface;
as, a deep valley.
(superl.) Hard to penetrate or comprehend; profound; -- opposed to
shallow or superficial; intricate; mysterious; not obvious; obscure;
as, a deep subject or plot.
(superl.) Of penetrating or far-reaching intellect; not
superficial; thoroughly skilled; sagacious; cunning.
(superl.) Profound; thorough; complete; unmixed; intense; heavy;
heartfelt; as, deep distress; deep melancholy; deep horror.
(superl.) Strongly colored; dark; intense; not light or thin; as,
deep blue or crimson.
(superl.) Of low tone; full-toned; not high or sharp; grave;
heavy.
(superl.) Muddy; boggy; sandy; -- said of roads.
(adv.) To a great depth; with depth; far down; profoundly; deeply.
(n.) That which is deep, especially deep water, as the sea or
ocean; an abyss; a great depth.
(n.) That which is profound, not easily fathomed, or
incomprehensible; a moral or spiritual depth or abyss.
