One word substitution can express the idea of a phrase, sentence, or clause and help in writing. One-word substitution questions frequently occur in many national-level exams, government exams like SSC, SSC CHSL, SSC CGL, Bank exams, PO, Clerk, UPSC, MBA, and many competitive exams or entrance exams.
One word substitutions are important to make communication & writing of the English Language much easier. these substitutions also help us to classify words in sentences which makes it easy to categorize and put the same word together.
Here is the complete list of 200+ common, important one-word substitutions are given. for competitive exams.
1. Being unable to pay one's debt. - Insolvent
2. The study of the functions of the body. - physiology
3. The science of telling events by stars. - Astrology
4. Government by officials in a state. - Bureaucracy
5. An office without any work but high pay. - Sinecure
6. A medicine to counteract the effect of a poison. - Antidote
7. An admirer of art. - Dilettante
8. A man has the qualities of a woman. - Effeminate
9. That which cannot be moved. - Immobile
10. The study of insects. - Entomology
11. Word for word. - Verbatim
12. Wish to do good to others. - Benevolence
13. Whose meaning is difficult to understand. - Abstruse
14. Way out for water or stream. - Outlet
15. Want sleep. - Insomnia
16. Usual behavior of a social group. - Custom
17. Use of mild words in place of words required by truth. - Euphemism
18. Troops trained for being dropped by parachute. - Paratroops
19. Touch or stroke lovingly. - Caress
20. A traditional story related to deities. - Myth
21. That which is pig-like. - Porcine
22. Thing to be corrected in a printed book. - Corrigendum
23. Things have been taken by robbers. - Booty
24. That which is lion-like. - Leonine
25. That which is fox-like. - Vulpine
26. That which is dog-like. - Canine
27. That which exists separately from other people. - Independent
28. That which cannot be calculated. - Incalculable
29. That which can be rooted out. - Eradicable
30. Study of the development of plants and animals from earlier forms. - Genealogy
31. Study of oceans and their phenomena. - Oceanography
32. Study of law. - Nomology
33. Study of fossils. - Paleontology
34. Study ancient things like tombs, and buried towns. - Archaeology
35. Strong desire for food, and wealth. - Greed
36. Strong flowing into another big river. - Tributary
37. Stealing from the writings of others. - Plagiarism
38. Statement that is obviously true. - Platitude
39. That which can be easily believed. - Credible
40. That which cannot be put out or extinguished. - Inextinguishable
41. That which cannot be satisfied. - Insatiable
42. That which can easily be curved without breaking. - Flexible
43. That which cannot be erased or removed. - Indelible
44. That which can easily be cut without breaking. - Flexible
45. That which cannot be corrupted. - incorruptible
46. To escape from hard realities. - Escapism
47. The system which is observed to do progress or reform. - Reformism
48. Temple dedicated to all the gods. - Pantheon
49. Talk that brings a bad reputation to somebody. - Scandal
50. Study of population. - Demography
51. The study of the physical phenomenon of lakes. - Limnology
52. Spreading by infection. - Infectious
53. Specialist in mental or emotional disturbance. - Psychiatrist
54. Speak in a very low tone. - Whisper
55. Something that is hidden. - Mystery
56. Somebody that foretells the coming of something. - Harbinger
57. Soldiers on big guns mounted on wheels. - Artillery
58. To Deep that the bottom cannot be reached. - Unfathomable
59. A small shop that sells fashionable clothes cosmetics etc. - boutique
60. Shamelessly road. - Impudent
61. Serious crimes live murder and arson. - Felony
62. Send rays of light or heat. - Reddit
63. Send back a criminal into custody for further investigation. - Remand
64. Secret place difficult to access. - Recess
65. Secret agreement for a fraudulent purpose. - Collusion
66. Search in the dark. - Grope fumble
67. Search for something. - Quest
68. Secret religious meeting. - Conventicle
69. Sea with a group of many islands. - Archipelago
70. A signature on the back of a paper or cheque. - Endorsement
71. Showing contemptuous indifference. - Superstitious
72. A short summary of a book or speech. - Epitope
73. Signal under martial law for people to remain indoors. - Curfew
74. Showing deep sorrow for wrongdoing. - Contrite
75. A short saying or poem which expresses an idea in a very clever and amusing way. - Epigram
76. A short journey for pleasure. - Excursion
77. A short expression of general truth. - Proverb, Dictum, Maxim, Adage
78. Showing deep sorrow for wrongdoing. - Contrite
79. Short amusing story about some real person or event. - Anecdote
80. Scornful and contemptuous language. - Opprobrium
81. Science of weight. - Metrology
82. Science of time. - Horology
83. Science of writing and compiling a dictionary. - Lexicography
84. The scientific description of different races and cultures. - Ethnography
85. Science of the physical structure of the body. - Anatomy
86. Science of the habits of living things in relation to their environment. - Ecology
87. Science of the constitution of the whole universe. - Cosmography
88. The scientific study of the cause of disease. - Etiology/Aetiology
89. The study of the human race especially of its origins development customs and beliefs. - Anthropology
90. Science of mechanical and industrial arts. - Technology
91. Science of healthy living. - Hygiene
92. Science of inscriptions. - Epigraphy
93. Science of human beauty. - Kalology
94. Science of fixing dates. - Chronology
95. Science of crimes and criminals. - Criminology
96. Study of coins. - Numismatics
97. Science of climate. - Climatology
98. Science of blood. - Hematology
99. Science of birds. - Ornithology
100. Science dealing with the proper use of terms. - Terminology
101. Science dealing with hereditary. - Genetics
102. Science and technology of metals. - Metallurgy
103. Science and philosophy of human law. - Jurisprudence
104. Science and art of preparing and making good friends. - Gastronomy
105. Science and art of flying in aircraft. - Aviation
106. Indian school for very young children. - Kindergarten
107. Say in advance what is likely to happen. - Forecast predicts
108. Say aloud from memory. - Recite
109. Saving of property from loss by fine. - Salvage
110. Saltwater lake is separated from the sea by sandbanks. - Lagoon
111. Rose for formal behavior among paper. - Etiquette
112. Room for washing kitchen utensils. - Scullery
113. Roof supported by columns at the entrance of a building. - Portico/Porch
114. Ritual washing of the body. - Ablution
115. Rising in arms against an establishment/government. - Insurrection rebellion
116. Rise or fall in the level of the sea. - Tide
117. Right or advantage available to a person. - Privilege
118. The reward for work or service. - remuneration
119. Return to one's own country. - Repatriate
120. Return the same sort of ill-treatment. - Retaliate
121. Reduction in tax or debt. - Rebate
122. Religious discourse. - Sermon
123. Reserved in speech. - Reticent
124. Responsible according to law. - Liable
125. Restore to the former position. - Rehabilitate
126. Resulting in death or ending in disaster. - Fatal
127. Relation between different aspects of a thing. - Perspective
128. The reasoning power of the mind. - Intellect
129. Receiving guests warmly. - Hospitality
130. Record of events in the order of their happenings.- Chronicle
131. Today is a pattern or design on the surface of something. - Emboss
132. Quick to judge and understand. - Perspicacious
133. Question or problem difficult to answer or understand. Puzzle, riddle. - Enigma
134. Put under the surface of the water. - Submerge
135. Put off for a future time. - Postpone procrastinate
136. Put into the form of a code. - Codify
137. Full out of usual shape. - Distort
138. Public merry-making and feasting. - Carnival
139. The public activity takes place in a very elaborate colorful and expensive way. - Extravaganza
140. Place of good climate for invalids. - Asylum
141. Property left to someone by a will. - Legacy
142. Property inherited from one's father. - Patrimony
143. Deducting a lot of books or other things. - Prolific
144. Process of sewing designs on cloth or other materials. - Embroidery
145. A principal that the war should and could be abolished. - Pacifism
146. A habit of independent thought. - Individualism
147. Prevention of loss waste damage. - Conservation
148. Prevent from being carried out. - Circumvent
149. Returns of having a virtuous character. - Hypocrisy
150. Present form or before birth. - Congenital
151. Marriage of God. - Theogamy
152. Lover of dogs. - Canophilist
153. Loss of memory. - Amnesia
154. A group of talkative girls/women. - Gaggle
155. Guided by one's sense of duty. - Conscientious
156. A gust of wind. - Draught
157. Handwriting that can be easily read. - Legible
158. Happening at the same time. - Contemporary
159. Government-run by a dictator. - Dictatorship
160. Government by a person of the highest social order. - Aristocracy
161. Government buys intelligentsia. - Meritocracy
162. Government by the rich and the powerful class. - Plutocracy
163. Government by officials. - Bureaucracy
164. Government by elected representatives. - Democracy
165. Government by elected representatives without a monarch. Republic
166. Government by divine laws. Theocracy
167. Government by king/queen. Monarchy
168. Government by a few people. Oligarchy
169. Governing body of University. Senate
170. A disease that causes death. Fatal
171. A lovely young girl. Nymph
172. A Young of animals. Offspring
173. One who looks on. Onlooker
174. Period of 15 days. Fortnite
175. A group of ants. Swarm
176. A person who always read books. Bookworm
177. A killer of an infant. Infanticide
178. That which cannot be read. Illegible
179. A person who prepares and sells drugs. Druggist
180. A place where clothes are kept. Wardrobe
181. A person who runs a beauty parlor. Beautician
182. A person who frightens and wants to achieve his goals. Terrorist
183. A person who travels in space. Astronaut
184. A person who travels to a holy place. Pilgrim
185. A period of 10 years. - Decade
186. Are medical examinations of a dead body. - Postmortem
187. Place in which bees are kept. - Apiary
188. One who abstains from alcoholic drinks. - Teetotaler
189. A place where orphans are housed. - Orphanage
190. Flesh of sheep used as food. - Mutton
191. One who lives near another. - Neighbour
192. A place set apart for children. - Nursery
193. A man of millions. - Millionaire
194. Hater of books. - Misobiblic
195. Hater of learning. Misologist
196. Hater of marriage. - Misogamist
197. Having more than one meaning. - Ambiguous/Equivocal
198. Imaginary ailments (disease). - Hypochondria
199. Offering made to God. - Oblation
200. An official agreement to a proposal. - Assent
201. Gathering of all things. - Omnibus
202. Official announcement issued to the press. - Communique
203. Official counting of the population. - Census
204. One who analyses handwriting. - Graphologist
205. One who attacks. - Assaulter
206. One who believes that nothing can be said about God. - Agnostic
207. One Ho you can neither read nor write. - Illiterate
208. One who cannot be corrected. - Incorrigible
209. A garland of flowers. - Wealth
210. The departure of many peoples. - Exodus
211. Gift of money to a retiring people. - Gratuity
212. Give the right to vote. - Enfranchise
213. Greedy for money. - Repacious
214. General instructions. - Directive
215. Future generation. - Posterity
216. Free from punishment. - Impunity
217. Form opinion in advance. - Preconceive
218. For warming of impending danger. - Premonition
219. Fixed sum of money paid to somebody as income in his lifetime. - Annuity
220. Fit for bad temper or anger. - Tantrum
221. Fear of foreigners. - Xenophobia
222. Fear of oneself. - Autophoby
223. Fear of home surroundings. - Eco phobia
224. Fear of dead body. - Necrophobia
225. Fear of animals. - Zoophobia
226. Fear of height. - Aerophobia
227. Faithful supporter. - Henchmen
228. Fail to pay a debt in time. - Default
229. Expert in horse riding. - Cavalier
230. Existing since old times. - Antique
231. Existing forever. - Eternal
232. Amount of money paid to free a prisoner. - Ransom
233. Refreshment or amusement after hard work. - Recreation
234. Animals with four feet. - Quadruped
235. Any soft drink except water. - Beverage
236. Art of growing vegetables, fruits, and flowers. - Horticulture
237. Art of making fireworks. - Pyrotechnics
238. Art of map-making. - Cartography
239. Style of speaking well. - Elocution
240. Artificial center for honey bees. - Hive