1. Chain of hills
6. Black, in poetry
10. Anagram of "Crab"
14. Negatively charged particle
15. Tardy
16. By mouth
17. Horse
18. "Do ___ others..."
19. Rodents
20. Ownership
22. P P P P
23. Anagram of "Dimes"
24. Open grassland
25. Bristle
29. Live together
31. Invade in great numbers
33. Aircraft engine enclosure
37. Joyous
38. Elderly
39. Craftsperson
41. Distinguish
42. Earwax
44. Feudal worker
45. Cirrus or cumulus
48. Sexually assaults
50. Egg-shaped
51. Resembling snoring
56. Former Italian currency
57. Melody
58. Close-knit group
59. Weight loss plan
60. Historical periods
61. Drop to one's knees
62. On the left or right
63. Marries
64. Rope fiber
2. Within
3. Perishes
4. "Comes and ____"
5. Ceased
6. Evasion
7. Cast out
8. Footstool
9. A noble gas
10. Proficiency
11. Disney mermaid
12. Sped
21. Laic
24. Transgressions
25. Couch
26. Always
27. Exam
28. Eloquent
30. A medieval steel helmet
32. Levelled
34. Untruths
35. Forsaken
36. Sea eagle
41. Make downhearted
43. An unnaturally frenzied woman
45. Respiratory infections
46. 58 in Roman numerals
47. Rowed
49. Hosiery
51. Goulash
52. Hindu princess
53. Poems
54. Component of urine
55. Peddle