English Dictionary

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.
Source : opted (39818)  - auto

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.
Source : opted (39819)  - auto

Low in situation; lying far below the general surface; as, a deep valley.
Source : opted (39820)  - auto

Hard to penetrate or comprehend; profound; -- opposed to shallow or superficial; intricate; mysterious; not obvious; obscure; as, a deep subject or plot.
Source : opted (39821)  - auto

Of penetrating or far-reaching intellect; not superficial; thoroughly skilled; sagacious; cunning.
Source : opted (39822)  - auto

Profound; thorough; complete; unmixed; intense; heavy; heartfelt; as, deep distress; deep melancholy; deep horror.
Source : opted (39823)  - auto

Strongly colored; dark; intense; not light or thin; as, deep blue or crimson.
Source : opted (39824)  - auto

Of low tone; full-toned; not high or sharp; grave; heavy.
Source : opted (39825)  - auto

Muddy; boggy; sandy; -- said of roads.
Source : opted (39826)  - auto

To a great depth; with depth; far down; profoundly; deeply.
Source : opted (39827)  - auto