反义词，又称对义词，是指意义相反或相对的词语。在学习英语的过程中，掌握反义词是非常重要的一部分，因为它不仅能够帮助我们更好地理解词汇的意义，而且还有助于我们更好地表达自己的思想和观点。下面是一份反义词大全100个，让你轻松掌握英语反义词。

1. Above - Below

2. Absent - Present

3. Accept - Reject

4. Achieve - Fail

5. Add - Subtract

6. Admit - Deny

7. Advance - Retreat

8. Advantage - Disadvantage

9. Affirm - Negate

10. Agree - Disagree

11. Alive - Dead

12. All - None

13. Allow - Forbid

14. Always - Never

15. Ample - Scarce

16. Ancient - Modern

17. Angel - Devil

18. Antonym - Synonym

19. Apart - Together

20. Appear - Disappear

21. Approve - Disapprove

22. Arrogant - Humble

23. Ascend - Descend

24. Attack - Defend

25. Attract - Repel

26. Awake - Asleep

27. Back - Front

28. Bad - Good

29. Beautiful - Ugly

30. Begin - End

31. Believe - Doubt

32. Big - Small

33. Bitter - Sweet

34. Black - White

35. Blunt - Sharp

36. Bold - Timid

37. Borrow - Lend

38. Brave - Cowardly

39. Bright - Dull

40. Busy - Idle

41. Buy - Sell

42. Calm - Agitated

43. Can - Cannot

44. Careful - Careless

45. Careful - Reckless

46. Cautious - Rash

47. Center - Periphery

48. Cheap - Expensive

49. Cheerful - Sad

50. Clear - Unclear

51. Close - Open

52. Cold - Hot

53. Combine - Separate

54. Comfortable - Uncomfortable

55. Common - Rare

56. Complete - Incomplete

57. Conceal - Reveal

58. Correct - Incorrect

59. Courageous - Fearful

60. Create - Destroy

61. Cruel - Kind

62. Cry - Laugh

63. Dangerous - Safe

64. Dark - Light

65. Day - Night

66. Deaf - Hearing

67. Deep - Shallow

68. Definite - Indefinite

69. Deliberate - Accidental

70. Demolish - Build

71. Depart - Arrive

72. Descend - Ascend

73. Despair - Hope

74. Destroy - Create

75. Different - Same

76. Dirty - Clean

77. Disappear - Appear

78. Disapprove - Approve

79. Discourage - Encourage

80. Dislike - Like

81. Dissatisfied - Satisfied

82. Divide - Unite

83. Do - Undo

84. Dry - Wet

85. Dull - Bright

86. Early - Late

87. Easy - Difficult

88. Empty - Full

89. Encourage - Discourage

90. End - Begin

91. Enemy - Friend

92. Enter - Exit

93. Equal - Unequal

94. Even - Odd

95. Excite - Calm

96. Exhale - Inhale

97. Expand - Shrink

98. Export - Import

99. Expose - Conceal

100. External - Internal