1. deep

the central and most intense or profound part

Example Sentences:
'in the deep of night'
'in the deep of winter'

2. deep, oceanic abyss, trench

a long steep-sided depression in the ocean floor

• oceanic abyss
• trench

3. deep

literary term for an ocean

Example Sentences:
'denizens of the deep'

4. deep

relatively deep or strong; affecting one deeply

Example Sentences:
'a deep breath'
'a deep sigh'
'deep concentration'
'deep emotion'
'a deep trance'
'in a deep sleep'

• heavy
• profound
• sound
• wakeless
• profound

5. deep

marked by depth of thinking

Example Sentences:
'deep thoughts'
'a deep allegory'

6. deep

having great spatial extension or penetration downward or inward from an outer surface or backward or laterally or outward from a center; sometimes used in combination

Example Sentences:
'a deep well'
'a deep dive'
'deep water'
'a deep casserole'
'a deep gash'
'deep massage'
'deep pressure receptors in muscles'
'deep shelves'
'a deep closet'
'surrounded by a deep yard'
'hit the ball to deep center field'
'in deep space'
'waist-deep'

• abysmal
• abyssal
• unfathomable
• bottomless
• deep-water
• profound
• unfathomed
• unplumbed
• unsounded
• walk-in

7. deep

very distant in time or space

Example Sentences:
'deep in the past'
'deep in enemy territory'
'deep in the woods'
'a deep space probe'

8. deep

extreme

Example Sentences:
'in deep trouble'
'deep happiness'

9. bass, deep

having or denoting a low vocal or instrumental range

Example Sentences:
'a deep voice'
'a bass voice is lower than a baritone voice'
'a bass clarinet'

• bass

• low
• low-pitched

10. deep, rich

strong; intense

Example Sentences:
'deep purple'
'a rich red'

• rich

• colorful
• colourful

11. deep

relatively thick from top to bottom

Example Sentences:
'deep carpets'
'deep snow'

12. deep

extending relatively far inward

Example Sentences:
'a deep border'

• broad
• wide

13. deep, thick

(of darkness) very intense

Example Sentences:
'thick night'
'thick darkness'
'a face in deep shadow'
'deep night'

• thick

14. deep

large in quantity or size

Example Sentences:
'deep cuts in the budget'

• big
• large

15. deep

with head or back bent low

Example Sentences:
'a deep bow'

16. cryptic, cryptical, deep, inscrutable, mysterious, mystifying

of an obscure nature

Example Sentences:
'the new insurance policy is written without cryptic or mysterious terms'
'a deep dark secret'
'the inscrutable workings of Providence'
'in its mysterious past it encompasses all the dim origins of life'
'rituals totally mystifying to visitors from other lands'

• cryptic
• cryptical
• inscrutable
• mysterious
• mystifying

• incomprehensible
• inexplicable

17. abstruse, deep, recondite

difficult to penetrate; incomprehensible to one of ordinary understanding or knowledge

Example Sentences:
'the professor's lectures were so abstruse that students tended to avoid them'
'a deep metaphysical theory'
'some recondite problem in historiography'

• abstruse
• recondite

18. deep

exhibiting great cunning usually with secrecy

Example Sentences:
'deep political machinations'
'a deep plot'

19. deep, deeply

to a great depth;far down

Example Sentences:
'dived deeply'
'dug deep'

• deeply

20. deep, late

to an advanced time

Example Sentences:
'deep into the night'
'talked late into the evening'

• late

21. deep

to a great distance

Example Sentences:
'penetrated deep into enemy territory'
'went deep into the woods'