Meaning of DEEP in English

I. ˈdēp adjective

Etymology: Middle English dep, from Old English dēop; akin to Old High German tiof deep, Old English dyppan to dip — more at dip

Date: before 12th century

1. : extending far from some surface or area: as

a. : extending far downward

a deep well


(1) : extending well inward from an outer surface

a deep gash

a deep -chested animal

(2) : not located superficially within the body

deep pressure receptors in muscles

c. : extending well back from a surface accepted as front

a deep closet

d. : extending far laterally from the center

deep borders of lace

e. : occurring or located near the outer limits of the playing area

hit to deep right field

f. : thrown deep

a deep pass

2. : having a specified extension in an implied direction usually downward or backward

a shelf 20 inches deep

cars parked three- deep


a. : difficult to penetrate or comprehend : recondite

deep mathematical problems

b. : mysterious , obscure

a deep dark secret

c. : grave in nature or effect

in deep est disgrace

d. : of penetrating intellect : wise

a deep thinker

e. : intensely engrossed or immersed

she was deep in her book

f. : characterized by profundity of feeling or quality

a deep sleep

also : deep-seated

deep religious beliefs


a. of color : high in saturation and low in lightness

b. : having a low musical pitch or pitch range

a deep voice


a. : situated well within the boundaries

a house deep in the woods

b. : remote in time or space

c. : being below the level of consciousness

deep neuroses

d. : covered, enclosed, or filled to a specified degree — usually used in combination

ankle- deep in mud

6. : large

deep discounts

7. : having many good players

a deep bull pen

Synonyms: see broad

• deep·ly adverb

• deep·ness noun

- in deep water

II. adverb

Date: before 12th century

1. : to a great depth : deeply

still waters run deep

2. : far on : late

danced deep into the night


a. : near the outer limits of the playing area

the shortstop was playing deep

b. : long 6

III. noun

Date: before 12th century


a. : a vast or immeasurable extent : abyss


(1) : the extent of surrounding space or time

(2) : ocean

2. : any of the deep portions of a body of water ; specifically : a generally long and narrow area in the ocean where the depth exceeds 3000 fathoms (5500 meters)

3. : the middle or most intense part

the deep of winter

4. : any of the fathom points on a sounding line other than the marks

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.