One word Substitution is one of the integral parts of vocabulary. It simply means that a sentence has to be replaced with a single word. This area requires a good vocabulary to solve the questions well. Questions based on one word substitution are often asked in various competitive exams. Here is a list of 300+ One Word Substitutions asked in CSS, SSC,UPSC,IBPS and other competitive exams. Enhance your vocabulary and learn new words related to one word substitution to boost your exam preparation.
List of 300+ One Word Substitutions
| Phrase | Word |
| A book published after the death of its author | Posthumous |
| A book written by an unknown author | Anonymous |
| A flesh eating animal | Carnivorous |
| A game in which no one wins | Draw |
| A Government by a king or queen | Monarchy |
| A Government by one | Autocracy |
| A Government by the few | Oligarchy |
| A Government by the Nobles | Aristocracy |
| A Government by the officials | Bureaucracy |
| A Government by the people | Democracy |
| A Government by the rich | Plutocracy |
| A grass eating animal | Herbivorous |
| A handwriting that cannot be read | Illegible |
| A life history written by oneself | Autobiography |
| A life history written by somebody else | Biography |
| A person’s peculiar habit | Idiosyncrasy |
| A place where orphans live | Orphanage |
| A position for which no salary is paid | Honorary |
| A sentence whose meaning is unclear | Ambiguous |
| A study of ancient things | Archaeology |
| A study of animals | Zoology |
| A study of birds | Ornithology |
| A study of derivation of words | Etymology |
| A study of man | Anthropology |
| A study of races | Ethnology |
| A study of the body | Physiology |
| A thing no longer in use | Obsolete |
| An animal who preys on other animals | Predator |
| Murder of a father | Patricide |
| Murder of a human being | Homicide |
| Murder of a mother | Matricide |
| Murder of an brother | Fratricide |
| Murder of an infant | Infanticide |
| Murder of self | Suicide |
| Murder of the king | Regicide |
| One incapable of being tired | Indefatigable |
| One who always thinks himself to be ill | Valetudinarian |
| One who believes in fate | Fatalist |
| One who can do anything for money | Mercenary |
| One who can speak two languages | Bilingual |
| One who can throw his voice | Ventriloquist |
| One who changes sides | Turncoat |
| One who copies from other writers | Plagiarist |
| One who dies without a Will | Intestate |
| One who does not make mistakes | Infallible |
| One who doesn’t know how to read and write | Illiterate |
| One who doubts the existence of god | Agnostic |
| One who eats too much | Glutton |
| One who goes on foot | Pedestrian |
| One who has no money | Pauper |
| One who has strange habits | Eccentric |
| One who hates mankind | Misanthrope |
| One who hates women | Misogynist |
| One who is a newcomer | Neophyte |
| One who is all powerful | Omnipotent |
| One who is easily deceived | Gullible |
| One who is fond of sensuous pleasures | Epicure |
| One who is greedy for money | Avaricious |
| One who is indifferent to pleasure or pain | Stoic |
| One who is out to subvert a government | Anarchist |
| One who is present everywhere | Omnipresent |
| One who is quite like a woman | Effeminate |
| One who is recovering from illness | Convalescent |
| One who is unmarried | Celibate |
| One who knows everything | Omniscient |
| One who knows many languages | Polyglot |
| One who lives in a foreign country | Immigrant |
| One who looks on the bright side of things | Optimist |
| One who looks on the dark side of things | Pessimist |
| One who loves books | Bibliophile |
| One who loves mankind | Philanthropist |
| One who pretends to be what he is not | Hypocrite |
| One who questions everything | Cynic |
| One who speaks less | Reticent |
| One who thinks only of himself | Egoist |
| One who thinks only of welfare of women | Feminist. |
| One who works for free | Volunteer |
| People living at the same time | Contemporaries |
| People who work together | Colleagues |
| Practice of having one wife or husband | Monogamy |
| Practice of having several husbands | Polyandry |
| Practice of having several wives | Polygamy |
| Practice of having two wives or husbands | Bigamy |
| Rule by the mob | Mobocracy |
| Something that cannot be imitated | Inimitable |
| That through which light can partly pass | Translucent |
| That through which light can pass | Transparent |
| That through which light cannot pass | Opaque |
| That which cannot be avoided | Inevitable |
| That which cannot be defended | Indefensible |
| That which cannot be described | Indescribable |
| That which cannot be imitated | Inimitable |
| That which cannot be satisfied | Insatiable |
| That which is against law | Illegal |
| That which is not likely to happen | Improbable |
| To free somebody from all blame | Exonerate |
| To transfer one’s authority to another | Delegate |
| To write under a different name | Pseudonym |
| Violating the sanctity of a church | Sacrilege |
| Words written on the tomb of a person | Epitaph |
Download PDF List with 500 One word Substitutions
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