1 Ability x inability
2. Happy x unhappy
3. Import x export4. Interior x exterior
5. Maximum x minimum
6. Include x exclude
7. Junior x senior
8. Above x below
9. Majority x minority
10. Optimist x pessimist
11. Superior x inferior
12. Accept x refuse
13. Civilized x uncivilized/savage/barbaric
14. Big x small
15. Acquire x lose
16. Ancient x modern
17. Agree x disagree
18. Alive x dead
19. Barren x fertile
20. Admire x despise
21. Blunt x sharp
22. Bold x timid
23. Bright x dim
24. Broad x narrow
25. Care x neglect
26. Confess x deny
27. Cool x warm
28. Broad x narrow
29. Bold x timid
30. Clean x dirty
31. Cruel x kind
32. Domestic x wild
33. Difficult x easy
34. Dangerous x safe
35. Dark x bright
36. Death x birth
37. Debit x credit
38. Early x late
39. Earn x spend
40. Empty x full
41. False x true
42. Guilty x innocent
43. Fine x coarse
44. Freedom x slavery
45. Fat x thin
46. Foolish x wise
47. Fresh x stale
48. Fear x courage
49. Guilty x innocent
50. Gain x loss
51. Good x bad
52. High x low
53. Humble x proud/arrogant
54. Honour x dishonour
55. Joy x sorrow
56. Knowledge x ignorance
57. Kind x cruel
58. Lie x truth
59. Little x much
60. Masculine x feminine
61. Make x mar/break
62. Natural x artificial
63. Noise x silence
64. Oral x written
65. Pride/arrogance x humility
66. Permanent x temporary
67. Presence x absence
68. Profit x loss
69. Prose x poetry
70. Quick x slow
71. Receive x give
72. Reject x accept
73. Ripe x raw
74. Rough x smooth
75. Remember x forget
76. Rich x poor
77. Sharp x dull
78. Tragedy x comedy
79. General x particular
80. Victory x defeat
81. Wild x domestic/tame
82. Weak x strong
83. Wisdom x folly
84. Youth x aged
85. Give x take
86. Laugh x cry
87. Smile x frown
88. Buy x sell
89. Here x there
90. This x that
91. Never x always
92. Stop x start
93. Wrong x right
94. Tight x loose
95. Love x hate
96. Throw x catch
97. Yes x no
98. Forward x backward
99. Stand x sit
100. Lost x found
75 One word Substitutes You Must Know :
Abdicate – To give up a throne voluntarily
Autobiography – Life story of a man written by himself.
Aggressor – A person who attacks first
Amateur – One who pursues some art or sport as hobby
Arbitrator – A person appointed by parties to settle the disputes between them
Adolescence – The period between childhood and adulthood
Bibliophile – A great lover of books
Botany – The branch of biology dealing with plant life
Bilingual – A person who speaks two languages
Catalogue – A list of books
Centenary – Celebration of a hundredth year, once –a-century
Colleague – A co-worker or a fellow-worker in the same institution
Contemporaries – Persons living in the same age
Credulous – A person who readily believes whatever is told to him/her.
Callous – A man devoid of kind feeling and sympathy
Cosmopolitan – A man with a broad and international outlook
Celibacy – Abstinence from sex
Deteriorate – To go from bad to worse
Democracy – Government of the people, for the people, by the people
Monarchy – A political system in which a state is ruled by one person
Draw – A game in which neither party wins
Egotist – A person who always thinks of himself; somebody who is selfish or self-centered
Epidemic – A contagious disease which spreads over a huge area
Extempore – A speech or a presentation made without previous preparation
Etiquette – Established rules of conduct; rules of acceptable behavior
Epicure – Somebody who has refined taste for food; somebody who loves sensual pleasure and luxury
Exonerate – Free somebody from blame or guilt; free somebody from an obligation
Eradicate – Destroy or get rid of something completely; root out an evil or bad practice
Fastidious – A person difficult to please
Fatalist – A person who believes that all events are pre-determined
Honorary – A post which doesn’t carry any salary
Illegal – That which is against law
Illiterate – A person who cannot read or write
Hostility – Intense aggression or anger; state of antagonism
Incorrigible – Impossible to change
Irritable – A man who is easily irritated
Irrelevant – Not applicable
Invisible – That which cannot be seen
Inaudible – That which cannot be heard
Incredible – That which cannot be believed
Impracticable – That which cannot be practiced
Invincible – That which cannot be conquered
Indispensable – Something that is essential and cannot be dispensed with
Inevitable – That which cannot be avoided
Irrevocable – That which cannot be changed
Illicit – That which is considered wrong or unacceptable by prevailing social standards
Insoluble – Incapable of being dissolved in a liquid
Inflammable – Something that quickly catches fire
Infanticide – The act of killing an infant
Matricide – Killing of one’s own mother; killer of one’s own mother
Patricide – Killing of one’s own father; killer of one’s own father
Kidnap - To take somebody away by force and hold him or her prisoner, usually for ransom
Medieval – Belonging to the Middle Ages
Matinee – A cinema show which is held in the afternoon
Notorious – A person with an evil reputation
Manuscript – Handwritten book
Namesake – Somebody or something with the same name as somebody or something else
Novice – One who is new to a trade or profession
Omnipotent – All-powerful; possessing complete power and authority
Omnipresent – One who is present everywhere
Optimist – One who looks at the bright side of things; somebody positive
Panacea – A supposed cure for all diseases or problems
Polyandry – The custom of having more than one husband at a time
Polygamy – The custom of having more than one wife at a time
Postmortem – Medical examination of a dead body
Pessimist – Very negative person; somebody who always expects the worst to happen
Postscript – A short message added on to the end of a letter after the signature
Synonyms – Words which have the same meaning
Smuggler – A person who imports or exports goods into or from a country secretly because they are illegal or in order to avoid paying duty on them
Vegetarian – Somebody who doesn’t eat meat or fish
Venial – A pardonable offense
Veteran – Somebody who is considerably experienced in something
Zoology – The branch of biology dealing with the study of animals