deep

Deep means going far down or far away, something strongly felt, or something that is hard to understand. (adjective)

A deep is a part of water, earth or space that is known to be one of most extreme known to science. (noun)

An example of deep is a part of the ocean that goes down more than 18,000 feet below the surface.

Deep means at a great depth or a long period of time or space. (adverb)

An example of deep is digging far into the sea.
An example of deep is working late into the night or running far back into the opponent's zone to catch a football throw.

See deep in Webster's New World College Dictionary

See deep in American Heritage Dictionary 4

(dēp)

adjective deep·er, deep·est

a. Extending far downward below a surface: a deep hole in the river ice.
b. Extending far inward from an outer surface: a deep cut.
c. Extending far backward from front to rear: a deep walk-in refrigerator.
d. Extending far from side to side from a center: a deep yard surrounding the house.
e. Far distant down or in: deep in the woods.
f. Coming from or penetrating to a depth: a deep sigh.
g. Sports Located or taking place near the outer boundaries of the area of play: deep left field.
Extending a specific distance in a given direction: snow four feet deep.
Far distant in time or space: deep in the past.
a. Difficult to penetrate or understand; recondite: a deep metaphysical theory.
b. Of a mysterious or obscure nature: a deep secret; ancient and deep tribal rites.
c. Very learned or intellectual; wise: a deep philosopher.
d. Exhibiting great cunning or craft: deep political machinations.
a. Of a grave or extreme nature: deep trouble; deepest deceit.
b. Very absorbed or involved: deep in thought; deep in financial difficulties.
c. Profound in quality or feeling: a deep trance; deep devotion.
Rich and intense in shade. Used of a color: a deep red.
Low in pitch; resonant: a deep voice.
Covered or surrounded to a designated degree. Often used in combination: waist-deep in the water; ankle-deep in snow.
Large in quantity or size; big: deep cuts in the budget.
Sports Having a sufficient number of capable reserve players: That team is not very deep.

adverb

To a great depth; deeply: dig deep; feelings that run deep.
Well along in time; late: worked deep into the night.
Sports Close to the outer boundaries of the area of play: played deep for the first three innings; ran deep into their opponents' territory.

noun

a. A deep place in land or in a body of water: drowned in the deep of the river.
b. A vast, immeasurable extent: the deep of outer space.
The extent of encompassing time or space; firmament.
The most intense or extreme part: the deep of night.
The ocean.
Nautical A distance estimated in fathoms between successive marks on a sounding line.

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