1. Early 20th-century art movement
5. Matures
9. Skin irritation
13. Auditory
14. Numbskull
16. Pout
17. Hefty volume
18. Communion table
19. Happy cat sound
20. Malice
22. Circumference
24. Nonverbal O.K.'s
26. An Indycar or F1 car
27. Into parts or pieces
30. Fundamentals
33. Like a meteor in speed
35. Hawaiian greeting
37. Three in Roman numerals
38. Overact
41. Recent
42. An obsolete name for nitrogen
45. Navigational aid
48. Infuriate
51. Humiliate
52. Sporting venue
54. Principal
55. Deliberately
59. Gush
62. Agitate
63. A stringed instrument of India
65. Impoverished
66. Ultimatum ender
67. Each and all
68. An elaborate Hawaiian feast
69. Winged
70. Sea eagle
71. Slave
2. At the peak of
3. Reduction
4. Common solvent
5. American Dental Association
6. Swallow
7. Come in
8. Sacred beetle of ancient Egypt
9. Endanger
10. Boast
11. Remedy
12. German for "Mister"
15. Heath
23. Big butte
25. Arid
27. Dogfish
28. Confiscate
29. Edge
31. Without interruption
32. Bundle
34. Mountain pass
36. Amiss
39. A male cat
40. Ancient Biblical kingdom
43. In Britain, it's a caravan
46. Memorable periods
47. Speckle
49. Ganders and goslings
50. Escarole
53. Adjust
55. District
56. A girl's toy
57. Credit card brand
58. Tall story
60. Horse color
61. Not false
64. Deli loaf