What Are One Word Substitutions?
A one word substitution (OWS) is a single word that replaces an entire descriptive phrase. Instead of saying "a person who speaks two languages," you say "bilingual." Instead of "a government by the people," you say "democracy."
One word substitutions are a staple in SSC, UPSC, IBPS, CAT, and other competitive exams across India. This guide covers 200 essential OWS organised by category.
Exam Frequency:
SSC CGL typically includes 2-4 questions on one word substitutions. Over a 5-year analysis, the most frequently tested categories were People/Professions, Phobias, and Government/Political terms.
People and Professions (1-50)
50 One Word Substitutions — People
- 1. Altruist — A person who selflessly helps others
- 2. Atheist — Does not believe in God
- 3. Agnostic — Believes God's existence is unknown
- 4. Bibliophile — Loves books
- 5. Bilingual — Speaks two languages
- 6. Polyglot — Speaks many languages
- 7. Calligrapher — Skilled in beautiful handwriting
- 8. Connoisseur — Expert judge in fine art or taste
- 9. Cynic — Doubts human sincerity
- 10. Egoist — Self-centred person
- 11. Misogynist — Hates women
- 12. Misanthrope — Hates all people
- 13. Philanthropist — Promotes welfare of others
- 14. Stoic — Endures hardship without showing emotion
- 15. Narcissist — Excessively interested in themselves
- 16. Optimist — Expects the best outcome
- 17. Pessimist — Expects the worst outcome
- 18. Plagiarist — Copies the work of others
- 19. Somniloquist — Talks in their sleep
- 20. Somnambulist — Walks in their sleep
- 21. Insomniac — Cannot sleep
- 22. Philatelist — Collects stamps
- 23. Numismatist — Collects coins
- 24. Antiquarian — Studies or collects antiques
- 25. Lexicographer — Compiles dictionaries
- 26. Martyr — Dies for a cause
- 27. Mercenary — Soldier who fights for money
- 28. Ambidextrous — Uses both hands equally
- 29. Teetotaller — Never drinks alcohol
- 30. Misogamist — Hates marriage
- 31. Pacifist — Opposes war and violence
- 32. Expatriate — Lives outside native country
- 33. Insolvent — Cannot pay debts
- 34. Anonymous — Name not known
- 35. Contemporary — Living at the same time
- 36. Fatalist — Believes fate controls everything
- 37. Posthumous — Occurring after death
- 38. Vegetarian — Does not eat meat
- 39. Vegan — Uses no animal products
- 40. Omniscient — Knowing everything
- 41. Omnipotent — Having unlimited power
- 42. Omnipresent — Present everywhere
- 43. Philanthropist — Donates money for good of others
- 44. Ascetic — Practises severe self-discipline
- 45. Chauvinist — Excessively patriotic
- 46. Iconoclast — Attacks cherished beliefs
- 47. Hedonist — Pursues pleasure above all
- 48. Epicure — Enjoys fine food and drink
- 49. Recluse — Lives in seclusion
- 50. Sycophant — Flatters to gain advantage
Places, Things, and Animals (51-100)
50 One Word Substitutions — Places, Things, Animals
- 51. Archive — Place where historical records are kept
- 52. Arsenal — Place where weapons are stored
- 53. Aviary — Place where birds are kept
- 54. Kennel — Shelter for dogs
- 55. Stable — Place where horses are kept
- 56. Apiary — Place where bees are kept
- 57. Aquarium — Place where fish are kept for display
- 58. Observatory — Place for observing celestial bodies
- 59. Mint — Place where coins are made
- 60. Hangar — Place where aircraft are kept
- 61. Dormitory — Sleeping room for many people
- 62. Granary — Place where grain is stored
- 63. Infirmary — Place for treating the sick
- 64. Monastery — Place where monks live
- 65. Orphanage — Home for children without parents
- 66. Autobiography — Life story written by the person
- 67. Biography — Life story written by someone else
- 68. Obituary — Notice of death in a newspaper
- 69. Epilogue — Section at the end of a book
- 70. Prologue — Introduction to a literary work
- 71. Epitaph — Words on a tombstone
- 72. Almanac — Yearly calendar with data
- 73. Encyclopaedia — Comprehensive reference work
- 74. Gazette — Official journal or newspaper
- 75. Manifesto — Public declaration of policy
- 76. Canine — Relating to dogs
- 77. Feline — Relating to cats
- 78. Equine — Relating to horses
- 79. Bovine — Relating to cows
- 80. Herbivore — Eats only plants
- 81. Carnivore — Eats only meat
- 82. Omnivore — Eats both plants and meat
- 83. Amphibian — Lives on land and water
- 84. Nocturnal — Active at night
- 85. Diurnal — Active during the day
- 86. Manuscript — Handwritten document
- 87. Atlas — Book of maps
- 88. Cemetery — Place where the dead are buried
- 89. Asylum — Place of refuge or safety
- 90. Brewery — Place where beer is made
- 91. Porcine — Relating to pigs
- 92. Crustacean — Hard-shelled sea creature
- 93. Deciduous — Trees that shed leaves annually
- 94. Perennial — Lasting throughout the year
- 95. Fossil — Preserved remains of ancient life
- 96. Archipelago — A group of islands
- 97. Peninsula — Land surrounded by water on three sides
- 98. Strait — Narrow waterway between two land masses
- 99. Oasis — Fertile area in a desert
- 100. Glacier — A slow-moving mass of ice
Actions and Behaviours (101-150)
50 One Word Substitutions — Actions
- 101. Abdicate — Give up the throne
- 102. Abolish — Formally end a practice
- 103. Boycott — Refuse to participate as protest
- 104. Emigrate — Leave one's country
- 105. Extradite — Hand over a criminal
- 106. Hibernate — Spend winter in dormant state
- 107. Commute — Travel regularly between home and work
- 108. Plagiarise — Copy someone's work
- 109. Coerce — Force against their will
- 110. Exonerate — Declare free from blame
- 111. Ostracise — Exclude from a group
- 112. Sabotage — Deliberately destroy
- 113. Assassinate — Murder a political figure
- 114. Repatriate — Send back to their country
- 115. Circumnavigate — Sail around something
- 116. Procrastinate — Delay or postpone action
- 117. Confiscate — Seize by authority
- 118. Demolish — Completely destroy a building
- 119. Annihilate — Completely destroy
- 120. Fabricate — Invent false information
- 121. Impersonate — Pretend to be someone else
- 122. Mitigate — Make less severe
- 123. Nominate — Formally propose for a position
- 124. Prosecute — Bring legal proceedings
- 125. Recuperate — Recover from illness
- 126. Renounce — Give up a right or claim
- 127. Retaliate — Attack in return
- 128. Scrutinise — Examine closely
- 129. Vandalise — Deliberately destroy property
- 130. Euthanasia — Painless killing of incurable patient
- 131. Inaugurate — Formally begin
- 132. Rehabilitate — Restore to normal life
- 133. Facilitate — Make easier
- 134. Negotiate — Discuss to reach agreement
- 135. Subsidise — Support financially
- 136. Transfuse — Transfer blood
- 137. Ventilate — Allow fresh air
- 138. Arbitrate — Act as judge in a dispute
- 139. Patronise — Support or treat condescendingly
- 140. Migrate — Move from one region to another
- 141. Liquidate — Close a business and sell its assets
- 142. Embezzle — Steal funds placed in one's trust
- 143. Usurp — Seize power illegally
- 144. Corroborate — Confirm with evidence
- 145. Deprecate — Express disapproval of
- 146. Insinuate — Suggest indirectly
- 147. Ameliorate — Make better
- 148. Emancipate — Set free from bondage
- 149. Incarcerate — Imprison
- 150. Perpetrate — Carry out a harmful act
Qualities, Government, and Law (151-200)
50 One Word Substitutions — Qualities, Government, Law
- 151. Ambiguous — More than one meaning
- 152. Chronic — Persisting for a long time
- 153. Contagious — Spread by contact
- 154. Epidemic — Widespread disease in a community
- 155. Pandemic — Disease across entire countries
- 156. Endemic — Disease regularly found in an area
- 157. Inevitable — Certain to happen
- 158. Infallible — Incapable of mistakes
- 159. Obsolete — No longer in use
- 160. Indelible — Cannot be erased
- 161. Invincible — Cannot be defeated
- 162. Edible — Fit to be eaten
- 163. Potable — Fit to be drunk
- 164. Versatile — Able to adapt to many functions
- 165. Verbose — Using more words than necessary
- 166. Unanimous — Fully in agreement
- 167. Ubiquitous — Found everywhere
- 168. Transparent — Allowing light to pass
- 169. Opaque — Not allowing light to pass
- 170. Empirical — Based on observation
- 171. Hypothetical — Based on assumed scenario
- 172. Notorious — Famous for something bad
- 173. Volatile — Likely to change rapidly
- 174. Biodegradable — Can decompose naturally
- 175. Hereditary — Passed from parent to child
- 176. Democracy — Government by the people
- 177. Autocracy — Government by one person
- 178. Monarchy — Government by a king or queen
- 179. Oligarchy — Government by a small group
- 180. Theocracy — Government by religious leaders
- 181. Anarchy — State without government
- 182. Bureaucracy — Government by officials
- 183. Plutocracy — Government by the wealthy
- 184. Meritocracy — Advancement based on ability
- 185. Aristocracy — Government by the nobility
- 186. Amnesty — General pardon
- 187. Referendum — Direct vote on a specific issue
- 188. Legislation — Laws collectively
- 189. Sedition — Inciting rebellion
- 190. Treason — Betraying one's country
- 191. Sovereignty — Supreme power
- 192. Suffrage — The right to vote
- 193. Embargo — Ban on trade
- 194. Veto — Right to reject a decision
- 195. Impeach — Charge a public official
- 196. Acquit — Declare not guilty
- 197. Ratify — Formally approve
- 198. Promulgate — Put a law into effect
- 199. Repeal — Revoke a law
- 200. Verbatim — Word for word
Exam Tips for One Word Substitutions
5 Strategies to Score Full Marks
- Learn root words: "Phil" = love, "Mis" = hatred, "Biblio" = books. Knowing 30 roots helps decode hundreds of OWS.
- Group by category: Learn all government OWS together, then people, etc.
- Use elimination in exams: Eliminate clearly wrong options for 50% chance.
- Read previous year papers: 30-40% of OWS questions repeat from previous years.
- Create flashcards: Phrase on one side, OWS on the other. Test daily.
For structured exam preparation with gamified vocabulary drills, PenLeap offers specialised exercises designed for competitive exam vocabulary — including one word substitutions, idioms, and grammar.
Practise One Word Substitutions
Learning 200 OWS from a list is the first step. Retaining them requires active practice — using them in sentences, testing yourself regularly, and hearing them in context.
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