One Word Substitution | Asked in SSC, CSS, IBPS, UPSC! One of the most important components of vocabulary is a replacement. It merely means that a single word must be substituted for a sentence. To answer the questions correctly, you’ll need a decent vocabulary in this area. In numerous competitive tests, giving relevant one-word substitution is frequently asked. Here is a collection of 300+ One Word Substitutions that have been asked in competitive exams such as CSS, SSC, UPSC, IBPS, and others. To improve your exam preparation, expand your knowledge and acquire new words relevant to one-word substitution.
One Word Substitution List
| Word | Phrase |
| Posthumous | A book published after the death of its author |
| Fratricide | Murder of an brother |
| Convalescent | One who is recovering from illness |
| Illegal | That which is against law |
| Archaeology | A study of ancient things |
| Eccentric | One who has strange habits |
| Polygamy | Practice of having several wives |
| Illegible | A handwriting that cannot be read |
| Intestate | One who dies without a Will |
| Egoist | One who thinks only of himself |
| Bureaucracy | A Government by the officials |
| Bilingual | One who can speak two languages |
| Philanthropist | One who loves mankind |
| Ethnology | A study of races |
| Gullible | One who is easily deceived |
| Transparent | That through which light can pass |
| Carnivorous | A flesh eating animal |
| Suicide | Murder of self |
| Omniscient | One who knows everything |
| Exonerate | To free somebody from all blame |
| Patricide | Murder of a father |
| Anarchist | One who is out to subvert a government |
| Indescribable | That which cannot be described |
| Homicide | Murder of a human being |
| Omnipresent | One who is present everywhere |
| Inimitable | That which cannot be imitated |
| Biography | A life history written by somebody else |
| Illiterate | One who doesn’t know how to read and write |
| Volunteer | One who works for free |
| Orphanage | A place where orphans live |
| Glutton | One who eats too much |
| Colleagues | People who work together |
| Autocracy | A Government by one |
| Valetudinarian | One who always thinks himself to be ill |
| Optimist | One who looks on the bright side of things |
| Sacrilege | Violating the sanctity of a church |
| Obsolete | A thing no longer in use |
| Avaricious | One who is greedy for money |
| Inevitable | That which cannot be avoided |
| Idiosyncrasy | A person’s peculiar habit |
| Agnostic | One who doubts the existence of god |
| Contemporaries | People living at the same time |
| Anthropology | A study of man |
| Omnipotent | One who is all powerful |
| Translucent | That through which light can partly pass |
| Physiology | A study of the body |
| Epicure | One who is fond of sensuous pleasures |
| Opaque | That through which light cannot pass |
| Draw | A game in which no one wins |
| Regicide | Murder of the king |
| Polyglot | One who knows many languages |
| Delegate | To transfer one’s authority to another |
| Democracy | A Government by the people |
| Ventriloquist | One who can throw his voice |
| Hypocrite | One who pretends to be what he is not |
| Oligarchy | A Government by the few |
| Fatalist | One who believes in fate |
| Pessimist | One who looks on the dark side of things |
| Epitaph | Words written on the tomb of a person |
| Ambiguous | A sentence whose meaning is unclear |
| Pauper | One who has no money |
| Polyandry | Practice of having several husbands |
| Predator | An animal who preys on other animals |
| Stoic | One who is indifferent to pleasure or pain |
| Indefensible | That which cannot be defended |
| Aristocracy | A Government by the Nobles |
| Mercenary | One who can do anything for money |
| Bibliophile | One who loves books |
| Honorary | A position for which no salary is paid |
| Pedestrian | One who goes on foot |
| Monogamy | Practice of having one wife or husband |
| Ornithology | A study of birds |
| Misogynist | One who hates women |
| Mobocracy | Rule by the mob |
| Anonymous | A book written by an unknown author |
| Infanticide | Murder of an infant |
| Celibate | One who is unmarried |
| Improbable | That which is not likely to happen |
| Monarchy | A Government by a king or queen |
| Indefatigable | One incapable of being tired |
| Immigrant | One who lives in a foreign country |
| Pseudonym | To write under a different name |
| Plutocracy | A Government by the rich |
| Turncoat | One who changes sides |
| Cynic | One who questions everything |
| Matricide | Murder of a mother |
| Effeminate | One who is quite like a woman |
| Insatiable | That which cannot be satisfied |
| Herbivorous | A grass eating animal |
| Plagiarist | One who copies from other writers |
| Reticent | One who speaks less |
| Etymology | A study of derivation of words |
| Neophyte | One who is a newcomer |
| Inimitable | Something that cannot be imitated |
| Zoology | A study of animals |
| Misanthrope | One who hates mankind |
| Bigamy | Practice of having two wives or husbands |
| Autobiography | A life history written by oneself |
| Infallible | One who does not make mistakes |
| Feminist. | One who thinks only of welfare of women |
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