18. deep low in pitch, as sound, a voice, or the like.
19. deep mysterious; obscure: deep, dark secrets.
20. deep involved or enveloped: to be deep in debt.
21. deep absorbed; engrossed: deep in thought.
22. deep Baseball. relatively far from home plate: deep center field.
23. deep of or pertaining to the deep structure of a sentence.
24. deep larger than usual: deep discounts.
25. (adv.)deep to or at a considerable or specified depth.
26. deep to a depth or breadth of several such persons or things (used in combination): lined up three-deep around the block.
27. deep far on in time: to look deep into the future.
28. deep Baseball. farther than usual from home plate: The outfielders played deep.
29. (n.)deep the deep part of a body of water, esp. an area of the ocean floor having a depth greater than 18,000 ft. (5400 m).
30. deep a vast extent, as of space or time.
31. deep the part of greatest intensity, as of winter.
32. deep any of the unmarked levels, one fathom apart, on a deep-sea lead line.
33. deep Literary. the sea or ocean: The deep was his final resting place.
34. deep to act without thought of the consequences.
35. deep to become emotionally overwrought.
36. deep to act without restraint, as by good sense or taste: The committee went off the deep end with the Christmas decorations.
37. deep inextricably involved.
Definition of 'Deep'
Princeton's WordNet
1. (noun)deep the central and most intense or profound part "in the deep of night"; "in the deep of winter"
2. (noun)trench, deep, oceanic abyss a long steep-sided depression in the ocean floor
3. (adj)deep literary term for an ocean "denizens of the deep"
4. (adj)deep relatively deep or strong; affecting one deeply "a deep breath"; "a deep sigh"; "deep concentration"; "deep emotion"; "a deep trance"; "in a deep sleep"
5. (adj)deep marked by depth of thinking "deep thoughts"; "a deep allegory"
6. (adj)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 "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"
7. (adj)deep very distant in time or space "deep in the past"; "deep in enemy territory"; "deep in the woods"; "a deep space probe"
8. (adj)deep extreme "in deep trouble"; "deep happiness"
9. (adj)bass, deep having or denoting a low vocal or instrumental range "a deep voice"; "a bass voice is lower than a baritone voice"; "a bass clarinet"
10. (adj)deep, rich strong; intense "deep purple"; "a rich red"
11. (adj)deep relatively thick from top to bottom "deep carpets"; "deep snow"
12. (adj)deep extending relatively far inward "a deep border"
13. (adj)thick, deep (of darkness) very intense "thick night"; "thick darkness"; "a face in deep shadow"; "deep night"
14. (adj)deep large in quantity or size "deep cuts in the budget"
15. (adj)deep with head or back bent low "a deep bow"
16. (adj)cryptic, cryptical, deep, inscrutable, mysterious, mystifying of an obscure nature "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"- Rachel Carson; "rituals totally mystifying to visitors from other lands"
17. (adj)abstruse, deep, recondite difficult to penetrate; incomprehensible to one of ordinary understanding or knowledge "the professor's lectures were so abstruse that students tended to avoid them"; "a deep metaphysical theory"; "some recondite problem in historiography"
18. (adverb)deep exhibiting great cunning usually with secrecy "deep political machinations"; "a deep plot"
19. (adverb)deeply, deep to a great depth;far down "dived deeply"; "dug deep"
20. (adverb)deep, late to an advanced time "deep into the night"; "talked late into the evening"
21. (adverb)deep to a great distance "penetrated deep into enemy territory"; "went deep into the woods"
2. deep a measurement from the top or from a surface down "How deep was the snow?" "About six inches deep."
3. deep extending a long way from a surface or edge a deep cut on his leg
4. deep (of a feeling, belief) strong a deep sense of calm
5. deep (of breath) using a lot of air Take a deep breath.; a deep sigh
6. deep (of a sound) low in pitch his deep voice
7. deep (of a color) dark and intense ***a deep red
8. deep (of sleep) not easy to wake from; = sound ***She woke from a deep sleep.
9. deep complex and serious to think deep thoughts
10. deep deep in thought/conversation very involved in thinking or talking
11. (adverb)deep far into sth tunnels running deep underground; They were going deeper into the woods.
12. deep two/three/four etc. deep surrounded by two, three, etc. rows or levels fish piled four deep in the baskets
13. deep deep down at the most basic or essential level I knew deep down that she was right.
Definition of 'Deep'
Webster Dictionary
1. (adverb)Deep to a great depth; with depth; far down; profoundly; deeply
2. (noun)Deep that which is deep, especially deep water, as the sea or ocean; an abyss; a great depth
3. (noun)Deep that which is profound, not easily fathomed, or incomprehensible; a moral or spiritual depth or abyss
4. Deep extending far below the surface; of great perpendiculardimension (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
5. Deep extending far back from the front or outer part; of greathorizontal 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
6. Deep low in situation; lying far below the general surface; as, a deep valley
7. Deep hard to penetrate or comprehend; profound; -- opposed to shallow or superficial; intricate; mysterious; not obvious; obscure; as, a deep subject or plot
8. Deep of penetrating or far-reaching intellect; not superficial; thoroughly skilled; sagacious; cunning
9. Deep profound; thorough; complete; unmixed; intense; heavy; heartfelt; as, deep distress; deep melancholy; deep horror
10. Deep strongly colored; dark; intense; not light or thin; as, deep blue or crimson
11. Deep of low tone; full-toned; not high or sharp; grave; heavy
Definitions of Deep 
Afrikaans: diep
Arabic: عَميق
Bulgarian: дълбок
Brazilian: profundo
Czech: hluboký
German: tief
Danish: dyb
Greek: βαθύς
Spanish: profundo
Estonian: sügav
Farsi: عمیق؛ گود
Finnish: syvä
French: profond
Hebrew: עָמוֹק
Hindi: गहरा
Croatian: dubok
Hungarian: mély
Indonesian: dalam
Icelandic: djúpur
Italian: profondo
Japanese: 深い
Korean: 깊은
Lithuanian: gilus
Latvian: dziļš
Malay: dalam
Dutch: diep
Norwegian: dyp
Polish: głęboki
Persian: عمیق؛ گود
Pashto: ژور، پوه، پټ، شديد، مشكل 
Portuguese: profundo
Romanian: adânc
Russian: глубокий
Slovak: hlboký
Slovenian: globok
Serbian: dubok
Swedish: djup
Thai: ลึก
Turkish: derin
Taiwanese: 深的
Ukrainian: глибокий
Urdu: گہرائی تک جانے والا
Vietnamese: sâu
Chinese: 深的
