1. Person without close friends (4,4)
7. East Indian tree yielding a yellow dye
11. Unit of capacitance
12. Tuberous herbaceous perennials
14. Inhabitant of Oman
15. Come on
16. Chafe
17. Separate
18. Fastener for a door
19. Rubbish (Brit)
20. Get lost!
22. Short walk
23. Muslim celebrant
26. Quilt
28. Spot
31. Lick
32. Tricked
33. Egyptian dam
34. Speed measure
37. Absorb
38. More capable
39. Habitual
41. No
43. Highlander
44. Narrow (prefix)
45. Hungarian male name
46. Sulk
47. Pointer to the solution of a problem
49. Boys
52. Russian administrative division
54. Muslim nomad
57. Gamete
58. Distance measure
59. Expiate
60. Take notice (4,4)
61. Parisian river
62. Welsh underworld god name
63. Urgency

Down

1. Source of illumination
2. Viva voce
3. Dwarfism
4. Female name
5. Monk
6. Rimed
7. Flakiness
8. Sandwich
9. Central Iowa city
10. Female name
11. Fogey
13. Stimulant
15. Cabbages
21. Smell
24. Long slender snake
25. Ineffectively bowled ball
27. Rhyme
29. Contemptible person
30. Pertaining to the Roman Catholic Church
35. Steersman
36. Jug (Brit)
38. Seemingly everlasting (3-4)
39. Related through having had the same mother
40. Kinsman
42. Inhabitant of New England
44. Froth
45. Much trodden
48. Fiat
50. Declare frankly
51. Expected task
53. Male name
55. Pertaining to animals
56. Former English queen