1. Happy - Joyful / Sad
2. Big - Large / Small
3. Fast - Quick / Slow
4. Hot - Warm / Cold
5. Smart - Intelligent / Dumb
6. Strong - Powerful / Weak
7. Easy - Simple / Difficult
8. Hard - Tough / Soft
9. Bright - Shiny / Dull
10. Early - Prompt / Late
11. Rich - Wealthy / Poor
12. Beautiful - Attractive / Ugly
13. Friendly - Kind / Rude
14. Near - Close / Far
15. Love - Affection / Hate
16. Light - Luminous / Dark
17. Old - Aged / Young
18. New - Fresh / Old
19. Thin - Slim / Fat
20. Full - Packed / Empty
21. Soft - Gentle / Hard
22. Short - Brief / Long
23. Clean - Neat / Dirty
24. Cheap - Inexpensive / Expensive
25. True - Correct / False
26. Safe - Secure / Dangerous
27. Deep - Profound / Shallow
28. Loud - Noisy / Quiet
29. Wet - Damp / Dry
30. Lazy - Idle / Active
31. Brave - Courageous / Cowardly
32. Sharp - Pointed / Dull
33. Tidy - Organized / Messy
34. Strong - Sturdy / Fragile
35. Right - Accurate / Wrong
36. Heavy - Weighty / Light
37. Cold - Chilly / Hot
38. Happy - Cheerful / Miserable
39. Smooth - Even / Rough
40. Polite - Courteous / Impolite
41. Quiet - Silent / Loud
42. Fast - Rapid / Sluggish
43. Soft - Delicate / Hard
44. Thin - Lean / Thick
45. Hardworking - Diligent / Lazy
46. Generous - Giving / Stingy
47. Wise - Knowledgeable / Foolish
48. Difficult - Complicated / Easy
49. Warm - Cozy / Chilly
50. Fat - Overweight / Slim