Antonym: shallow. Similar words: deep in thought, deer, deem, indeed, commandeer, keep, weep, sheep. Meaning: [diːp] 
n. 1. the central and most intense or profound part 2. a long steep-sided depression in the ocean floor 3. literary term for an ocean. adj. 1. relatively deep or strong; affecting one deeply 2. marked by depth of thinking 3. 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 4. very distant in time or space 5. extreme 6. having or denoting a low vocal or instrumental range 7. strong; intense 8. relatively thick from top to bottom 9. extending relatively far inward 10. (of darkness) very intense 11. large in quantity or size 12. with head or back bent low 13. of an obscure nature 14. difficult to penetrate; incomprehensible to one of ordinary understanding or knowledge 15. exhibiting great cunning usually with secrecy. adv. 1. to a great depth 2. to an advanced time 3. to far into space.
n. 1. the central and most intense or profound part 2. a long steep-sided depression in the ocean floor 3. literary term for an ocean. adj. 1. relatively deep or strong; affecting one deeply 2. marked by depth of thinking 3. 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 4. very distant in time or space 5. extreme 6. having or denoting a low vocal or instrumental range 7. strong; intense 8. relatively thick from top to bottom 9. extending relatively far inward 10. (of darkness) very intense 11. large in quantity or size 12. with head or back bent low 13. of an obscure nature 14. difficult to penetrate; incomprehensible to one of ordinary understanding or knowledge 15. exhibiting great cunning usually with secrecy. adv. 1. to a great depth 2. to an advanced time 3. to far into space. 
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31. They embedded the pilings deep into the subsoil.
32. The water looks quite deep there.
33. We dug a deep pit in the yard.
34. He had a deep mistrust of the legal profession.
35. She thrust her hands deep into her pockets.
36. The harbour is four fathoms deep.
37. His voice had a deep timbre.
38. Take a deep breath in to invigorate you.
39. She sank into the deep sofa.
40. Sow the seeds one inch deep in the soil.
41. The roots of this plant go deep.
42. Good breathing is slow, rhythmic and deep.
43. The snow underfoot wassoft and deep.
44. The memory was buried deep within my subconscious.
45. I heard of his death with profound/deep/great regret.
46. Take a deep breath, and you will feel relaxed.
47. He has a commanding presence and deep, authoritative voice.
48. They drank deep of the fresh spring water.
49. She has a deep mistrust of strangers.
50. She felt a deep sense of shame.
51. His breathing was deep and regular.
52. A look of deep annoyance crossed his face.
53. She went into a deep hypnotic trance.
54. They had a deep yearning for their homeland.
55. The deep crevasse yawned at their feet.
56. She has deep concern for her son's.
57. His skin was cleft with deep lines.
58. The temple lay deep within the dense forest.
59. A deep furrow appeared between his brows.
60. Bart had a deep affection for the old man.
More similar words: deep in thought, deer, deem, indeed, commandeer, keep, weep, sheep, creep, steep, sweep, sleep, keep to, sleepy, keep up, keep out, keep on, keep off, keep down, keep away, sheepish, weeping, sweep up, keep out of, keep from, go to sleep, keep back, fall asleep, keep up with, keep in mind.