100 Most Commonly Used One Word Substitution

One word Substitution is one of the integral parts of vocabulary. This single word simplifies the full meaning of many words at a time. It simply means that a sentence has to be replaced with a single word.

This Technique is very useful when you want a healthy conversation and obviously, this will improve your conversation to a newer level.

This article is very helpful for various competitive exams like SSC CGL, CHSL, RRB, Insurance and Bank exams.

Also Read:

• 50+ One Word Substitutions of Different Categories
• 500 Important One Word Substitutions
• 100 One Word Substitution – English Learning

The commonly used one word substitutions are:

1. Invisible – That can not be seen.
2. Infallible – That never fails
3. Inaccessible – That cannot be easily reached
4. Insomnia – The condition of being unable to sleep
5. Incantation – Special words that are spoken or sung to have a magic effect
6. Incandescent – Very bright or full of strong emotions
7. Immoral/amoral – Outside the limits of morality, without moral quality
8. Inventory – List of articles and their description
9. Inexhaustible – That never tires out
10. Inevitable – That cannot be avoided
11. Genocide – The killing of a race of people
12. Germicide – The killing of germs
13. Inaudible – That cannot be heard
14. Veteran – A person who has a long experience of any occupation
15. Incendiary – That cause fire or violence
16. Mountebank – A person who tries to trick people, especially in order to get their money
17. Inalienable – Incapable of being transferred
18. Inanimate – Not endowed with life
19. Ingrate – Unthankful person
20. Insurmountable – That cannot be defeated of overcome.
21. Intestate – Person dying without making or leaving a will
22. Quack – A person who dishonestly claims to have medical knowledge or skills
23. Apiary – A place where bees are kept
24. Aquarium – A place where fishes are kept
25. Armoury – A place where guns are kept
26. Aviary – A place where birds are kept
27. Asylum – A place of refuge and safety
28. Archives – A place where government records are kept
29. Auditorium – A place where audience sit
30. Bindery – A place where books are bound
31. Burrow – A dwelling place of an underground animal
32. Implacable – That cannot be pacified
33. Invincible – That which cannot be conquered
34. Impregnable – That cannot be seized
35. Cardiologist – The doctor who specializes in heart diseases
36. Herpeticide – The killing of snakes
37. Matricide – The killing of one’s mother
38. Infanticide – The killing of one’s infant
39. Inexpressible – That cannot be expressed in words
40. Inexplicable – That cannot be explained
41. Incorrigible – That cannot be corrected or reformed
42. Incurable – That cannot be cured
43. Indisputable – That cannot be denied or questioned
44. Indelible – That cannot be removed
45. Incredible – That cannot be believed
46. Dermatologist – That doctor who specializes in skin diseases
47. Geriatrician, Gerontologist – The doctor who specializes in diseases of old age
48. Gynecologist – The specialist who treats the medical conditions and diseases of women
49. Neurologist – The doctor who specializes in nerve diseases
50. Obstetrician – The specialist who helps during delivery of babies and takes care of mother during and immediately after the period of her pregnancy
51. Ophthalmologist – The doctor who specializes in eye diseases
52. Otologist – The doctor who specializes in ear diseases
53. Orthopedist – The doctor who specializes in treating persons with bone problems
54. Dentist – The specialist who looks after out teeth
55. Optician – One who sells optical equipments
56. Optometrist – One who measures our vision
57. Angler – One who fishes with a rod (As a hobby)
58. Amanuensis – One who writes down one’s dictation
59. Agnostic – One who believes that nothing can be known about god or of anything except material thing
60. Antiquarian – One who studies, collects or sells things of the past
61. Bibliophile – A lover of books
62. Cynic – One who sneers at the aims and beliefs of his fellow Perren
63. Conscript – A person who is forced by law to become a soldier
64. Conservative – One who believes in keeping thing as they are
65. Complacent – One who is completely self satisfied
66. Cobbler – One who mends shoes
67. Conjurer – A person who does clever tricks which appear magical
68. Centenarian – One who is hundred years old
69. Carnivorous – One who lives on flesh
70. Colleagues – Persons who work in the same department of an office
71. Coquette – A girl or woman who flirts
72. Cannibal – One who eats human flesh
73. Cosmopolitan – A person who regards the whole world as his country
74. Connoisseur – One who has special skill in judging art, music, taste etc
75. Censorious – One who is always finding faults
76. Contemporary – One living at the same time as another
77. Convalescent – One who is recovering from illness
78. Chauffeur – One who drives a motor car
79. Chandler – A person or shop who sells equipment for ships
80. Demagogue – A leader of the people who can sway his followers by his oratory
81. Diffident – Shy, timid, unwilling to face a situation
82. Egocentric – One who looks at everything from a personal point of view
83. Emissary – A person sent to a mission
84. Eaves dropper – One who secretly listens to the talk of others
85. Effeminate – A man who is womanish in his habits
86. Epicure – One devoted to the pleasures of eating and drinking
87. Exile – One who is banished from his home or his country
88. Fishmonger – One who deals in fish
89. Funambulist – One who walks on ropes
90. Fatalist – One who believes in fate
91. Feminist – A person who is devoted to the welfare of women
92. Fiance – One engage to be married
93. Fugitive – One who runs away from justice or the law
94. Gourmet – A connoisseur of food and drink
95. Gullible – Simple and easily deceived
96. Geologist – One who studies rocks and soils
97. Glutton – One who eats too much
98. Hawker, Pedlar – One who travels from place to place selling miscellaneous articles
99. Harbinger – A person or thing that goes before and announces the coming of something
100. Hedonist – One who believes that gaining pleasure is the most important thing in life

• Idioms and Other Expressions Used For Talking About ‘Work’
• What Are Weasel Words?
• Money and Finance – Test Your Knowledge
• Phrasal Verbs, Idioms and Other Expressions Using ‘CUT’
• How to Say Time in English
• Idioms and Other Expressions Used For Talking About Money
• Shopping and Consumerism – Match the Correct Name
• Phrasal Verbs – Choose the Correct Verb
• Currency Markets – Choose The Best Words
• Personal Qualities – Use the Best Nouns and Adjectives