1. Caustic
5. Units of electrical resistance
9. Fizzy drink
13. Zero
14. Ships
16. Ukeleles
17. Porous limestone
18. Style of building columns
19. Get ready
20. Long stories
22. Metric units of mass
24. Midday
26. Expiate
27. Type of salmon
30. Base part of trees
33. Stare down
35. Chairs
37. French for "Friend"
38. Robust
41. Grassland
42. Adored
45. Formal praises at funerals
48. Comment
51. Relies (on)
52. Place into the soil
54. Repair
55. Wading bird
59. Geeks
62. Queue
63. Wall climbers
65. Debauchee
66. Circle fragments
67. Floors
68. Ends a prayer
69. Stinging insects
70. Misrepresent
71. In order that not
2. Masterstroke
3. A verb tense
4. Church officers
5. Sash
6. Claw
7. Craze
8. Pilings
9. Greatest in status
10. Gumbo ingredient
11. Regard
12. Cobras
15. Dash
23. Wildebeests
25. He built the ark
27. Anthracite
28. Comedy
29. Malayan isthmus
31. A certain type of word
32. Horse
34. Before, in poetry
36. Back talk
39. Flop
40. Anagram of "Lyme"
43. Female ruler
46. Not closed
47. Universal
49. Fanatical
50. Cutlery
53. Deception
55. Thick slice
56. Employ
57. One single time
58. Anagram of "Eked"
60. Member's fee
61. Dispatched
64. South southwest