100 Adjectives Ending in -ly
General
1. Manly
2. Friendly
3. Lovely
4. Deadly
5. Silly
6. Ugly
7. Early
8. Lonely
9. Daily
10. Holy
11. Yearly
12. Timely
13. Likely
14. Lately
15. Truly
16. Briefly
17. Sadly
18. Slowly
19. Quickly
20. Mostly
21. Clearly
22. Easily
23. Simply
24. Warmly
25. Coolly
26. Nicely
27. Shortly
28. Hourly
29. Weekly
30. Monthly
31. Annually
32. Primarily
33. Secondly
34. Thirdly
35. Finally
36. Generally
37. Occasionally
38. Totally
39. Partially
40. Personally
41. Practically
42. Actually
43. Naturally
44. Exactly
45. Possibly
46. Previously
47. Consequently
48. Similarly
49. Specifically
50. Effectively
Descriptive
51. Heavenly
52. Earthly
53. Dreamy
54. Wondrously
55. Splendidly
56. Grandly
57. Magnificently
58. Beautifully
59. Gracefully
60. Joyfully
61. Cheerfully
62. Sadly
63. Angrily
64. Fearfully
65. Briskly
66. Roughly
67. Smoothly
68. Silently
69. Loudly
70. Softly
71. Gently
72. Swiftly
73. Slowerly
74. Oddly
75. Strangely
76. Delightfully
77. Terribly
78. Wonderfully
79. Sorrowfully
80. Thankfully
More Specific
81. Flawlessly
82. Masterfully
83. Skillfully
84. Cunningly
85. Slyly
86. Surgically
87. Financially
88. Legally
89. Historically
90. Artistically
91. Philosophically
92. Religiously
93. Technically
94. Politically
95. Economically
96. Scientifically
97. Mathematically
98. Logically
99. Psychologically
100. Philosophically
This is just a starting point, there are many more -ly adjectives out there!