100+ Important One Word Substitution

It is sometimes desirable to express the idea of a phrase or a group of words by using a single word:

  1. A child born after the death of its father – Posthumous
  2. A child born of parents who were not married – Illegitimate
  3. A child whose parents are dead – Orphan
  4. A gathering of worshippers – Congregation
  5. A hundred years – Century
  6. A man who remains unmarried – Bachelor
  7. A man whose wife is dead – Widower
  8. A person indifferent to both pleasure and pain – Stoic
  9. A person trained for competing in physical exercises and outdoor games – Athlete
  10. A person who always looks at the bright side of things – Optimist
  11. A person who always looks at the dark side of things – Pessimist
  12. A person who brings in goods from a foreign country – Importer
  13. A person who can use both hands with equal ease – Ambidextrous
  14. A person who comes as a settler into another country – Immigrant
  15. A person who does no work and lives on others – Drone
  16. A person who gets goods secretly and illegally into or out of a country – Smuggler
  17. A person who goes away from one’s own country to another to settle there – Emigrant
  18. A person who helps others, especially those who are poor or in trouble – Philanthropist
  19. A person who is a great lover of his country – Patriot
  20. A person who is sent to preach his religion, especially among people who are ignorant of it – Missionary
  21. A person who loves wealth for its own sake and is not inclined to spend it -Miser
  22. A person who represents his country’s economic, political and other interests in another country – Ambassador
  23. A person who sends goods to another country – Exporter
  24. A person who smuggles alcoholic liquor or sells it illegally – Bootlegger
  25. A person who spends extravagantly – Spendthrift
  26. A person who visits other countries for pleasure – Tourist
  27. A person who writes the life of another person – Biographer
  28. A place where bees are kept – Apiary
  29. A place where birds are kept – Aviary
  30. A plant or animal that draws sustenance from another – Parasite
  31. A traveller through outer space – Astronaut
  32. A woman who remains unmarried – Spinster
  33. A woman whose husband is dead – Widow
  34. Aircraft with two pairs of wings, one above the other – Biplane
  35. Allowing light to pass through, so that objects behind can be distinctly seen – Transparent
  36. An artificial pond or tank for keeping and showing living fish – Aquarium
  37. An operation performed on a dead body to find the cause of death – Postmortem
  38. Custom of having more than one husband at the same time – Polyandry
  39. Custom of having more than one wife at the same time – Polygamy
  40. Difficult or impossible to read – Illegible
  41. Fit to be eaten – Edible
  42. Going back from the reach of memory – Immemorial
  43. Government by nobles – Autocracy
  44. Government by officials – Bureaucracy
  45. Government carried on by the people or its elected representatives – Republic
  46. Government of the people, for the people and by the people – Democracy
  47. Grounds of a school, or university, where the main buildings are located – Campus
  48. Group of military operations with a set purpose, usually in one area – Campaign
  49. Having two wives or husbands living – Bigamy
  50. Helping neither side in war or quarrel – Neutral
  51. Incapable of making mistakes or doing wrong – Infallible
  52. Life history of a person written by another – Biography
  53. Life story of a person written by himself – Autobiography
  54. List of the days, weeks, months, of a particular year – Calendar
  55. Not favouring one more than another – Impartial
  56. Not yet fully developed – Immature
  57. Official in charge of a museum – Curator
  58. One who abstains from alcoholic drinks – Teetotaler
  59. One who believes implicitly in fate – Fatalist
  60. One who collects postage-stamps – Philatelist
  61. One who does not believe in the existence of God – Atheist
  62. One who goes on a journey to a holy place – Pilgrim
  63. One who is all-powerful – Omnipotent
  64. One who is present everywhere – Omnipresent
  65. One who is unable to pay one’s debts – Insolvent; bankrupt
  66. One who knows everything – Omniscient
  67. One who plays a game for pleasure and not professionally – Amateur
  68. One who studies the science of the sun, moon, stars, and planets – Astronomer
  69. Onewho cannot be elected or selected under the rules – Ineligible
  70. Person with no belief in religion (especially in what it is considered to be the true religion) – Infidel
  71. Practice of being married to only one person at a time – Monogamy
  72. Science of life and living things- Biology
  73. Soldiers who fight on horseback – Cavalry
  74. Sudden happening which makes quick action necessary – Emergency
  75. That can be spread by means of germs carried in the atmosphere or in water – Infectious
  76. That can be spread by touch – Contagious
  77. That cannot be seen through – Opaque
  78. That may be easily set on fire – Inflammable
  79. That which can he easily be understood – Intelligible
  80. That which cannot be approached – Inaccessible
  81. That which cannot be believed – Incredible
  82. That which cannot be blotted out or effaced – Indelible
  83. That which cannot be conquered – Invincible
  84. That which cannot be destroyed – Indestructible
  85. That which cannot be divided – Indivisible
  86. That which cannot be done without – Indispensable
  87. That which cannot be explained – Inexplicable
  88. That which cannot be heard – Inaudible
  89. That which cannot be perceived by the senses – Imperceptible
  90. That which cannot be recalled or altered – Irrevocable
  91. That which cannot be seen – Invisible
  92. That which cannot be solved – Insolvable
  93. That which is sure to happen – Inevitable
  94. That which makes it difficult to recognize the presence or real nature of something – Camouflage
  95. The act of killing oneself – Suicide
  96. The dead body of a human being – Corpse
  97. The dead body of an animal – Carcass
  98. The want of government in a country – Anarchy
  99. Unable to read or write – Illiterate
  100. Yearly return of the date of an event – Anniversary

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