1. (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.

2. (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.

3. (superl.) Low in situation; lying far below the general surface; as, a deep valley.

4. (superl.) Hard to penetrate or comprehend; profound; -- opposed to shallow or superficial; intricate; mysterious; not obvious; obscure; as, a deep subject or plot.

5. (superl.) of penetrating or far-reaching intellect; not superficial; thoroughly skilled; sagacious; cunning.

6. (superl.) Profound; thorough; complete; unmixed; intense; heavy; heartfelt; as, deep distress; deep melancholy; deep horror.

7. (superl.) Strongly colored; dark; intense; not light or thin; as, deep blue or crimson.

8. (superl.) of low tone; full-toned; not high or sharp; grave; heavy.

9. (superl.) Muddy; boggy; sandy; -- said of roads.

10. (adv.) To a great depth; with depth; far down; profoundly; deeply.

11. (n.) That which is deep, especially deep water, as the sea or ocean; an abyss; a great depth.

12. (n.) That which is profound, not easily fathomed, or incomprehensible; a moral or spiritual depth or abyss.

Bassalia Machiavellian Machiavellic absorbed absorbing abstract abstracted abstruse abysm abysmal abyss abyssal abyssal zone acute ample amplitudinous ankle-deep arcane arch ardent artful astute at bottom at the core baritone bass bathyal zone benthos big drink blue blue water booming bottom waters bottomless bottomless depths brine briny broad broad-minded cagey canny capacious cavity centered central chasm civilized clever colored commodious complex complicated comprehensive concealed concentrated consequential considerable contralto contriving crafty crater crevasse cultivated cultured cunning cute dark deceitful deep-colored deep-cut deep-down deep-echoing deep-engraven deep-felt deep-fixed deep-laid deep-lying deep-pitched deep-reaching deep-rooted deep-seated deep-set deep-settled deep-sinking deep-sunk deep-sunken deep-toned deepgoing deepish deeply deepmouthed deepsome depth designing devious difficult diplomatic discerning drink dyed earnest earnestly educated encyclopedic engaged engrossed erudite esoteric exhaustive expansive extended extending extensive far-reaching feline fervent fixed foxy full full-colored grand grave great ground guileful gulf hard heartfelt heavily heavy hermetic hidden high sea high seas hole hollow homefelt hued hydrosphere imbued immersed impenetrable in Technicolor in color incomprehensible indelible indoor infinite ingenious inmost inner inner space innermost inscrutable inside insidious intense intensely intent interior internal intestine intimate into intricate intriguing intrinsic inventive involved inward irresistible keen knee-deep knowing knowledgeable learned lettered literate lost low low-pitched main main sea maximum mighty mysterious mystical obscure occult occupied ocean ocean bottom ocean depths ocean floor ocean main ocean sea pansophic past comprehension pawky pelagic zone penetrating perspicacious pervading piercing pit plenary plotting poignant politic polyhistoric polymath polymathic powerful preoccupied profound profoundly rapt ready recondite resonant resounding resourceful rich roomy rumbling sagacious sage salt sea salt water sapient scheming scholarly scholastic sea secret sepulchral serious serpentine set shaft sharp shifty shrewd sincere slick slippery sly smooth snaky sneaky sonorous sophistical spacious spreading


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