Today full of antonyms:

1. Halcyon - tempestuous
2. Gainsay - own
3. Droll - sedate
4. Verdant - arid
5. Germane - irrelevant
6. Secret - overt
7. Eminent - obscure
8. Fluid - solid
9. Disconsolate - joyful
10. Adroit - clumsy
11. Taint - purify
12.  Belittle - magnify
13. Unalloyed - impure
14. Heartfelt - insincere
15. Paucity - excess
16. Foster- discourage
17. Tedious - pleasurable
18. Ductile - rigid
19. Proclivity - antipathy
20. Malice - goodwill