ONE WORD SUBSTITUTION

Centenarian: A person who is above hundred years
Posthumous: A book published after the death of its author
Anonymous: A book written by an unknown author
Matinee: A cinema show which is held in the afternoon
Cosmopolite: A citizen of the world
Epidemic: A contagious disease that spreads over a huge area
Soporific: A drug or other substance that induces sleep

Carnivorous: A flesh-eating animal
Drawn/ Tie: A game or batter in which neither party wins
Monarchy: A Government by a king or queen
Autocracy: A Government by one

Oligarchy: A Government by the few
Aristocracy: A Government by the Nobles
Bureaucracy: A Government by the officials
Democracy: A Government by the people
Plutocracy: A Government by the rich
Herbivorous: A grass-eating animal
Bibliophile: A great lover of books
Illegible: A handwriting that cannot be read
Amphibian: A land animal that breeds in water
Autobiography: A life history written by oneself
Biography: A life history written by somebody else
Catalogue: A list of names, books etc.
Irreparable: A loss of damage that cannot be compensated
Callous: A man devoid of kind feeling and sympathy
Fanatic: A man who has too much enthusiasm for his own religion
Irritable: A man who is easily irritated
Germicide: A medicine that kills germs
Antiseptic: A medicine that prevents decomposing
Antidote: A medicine to counteract the effect of another medicine
Bourgeois: A member of the middle class
Inimitable: A method that cannot be imitated
Venial: A pardonable offence
Arbitrator: A person appointed by parties to settle the disputes between them
Fastidious: A person difficult to please
Answerable: A person liable to be called to account for his action
Parasite: A person supported by another and giving him/her nothing in return
Egotist: A person who always thinks of himself; somebody who is selfish or self-centred
Aggressor: A person who attacks first
Credulous: A person who believes easily whatever he is told
Fatalist: A person who believes in fate
Illiterate: A person who cannot read or write
Misogamist: A person who does not believe in the institution of marriage
Omnipotent: A person who has power overall
Misogynist: A person who hates women
Smuggler: A person who imports or exports goods into or from a country secretly because they are illegal
Omniscient: A person who knows everything
Altruist: A person who loves everybody
Impervious: A person who remains unmoved and unaffected by other people's opinions, suggestions
Equestrian: A person who rides on horseback
Bilingual: A person who speaks two languages
Notorious: A person with an evil reputation
Idiosyncrasy: A person's peculiar habit
Orphanage: A place where orphans live
Arsenal: A place where weapons and ammunition are stored
Honorary: A post that is not paid
Infallible: A remedy that never fails
Ambiguous: A sentence whose meaning is unclear
Postscript: A short message added to the end of a letter after the signature
Abbreviation: A shortened form of a word or phrase
Inaudible: A sound that cannot be heard
Equilibrium: A state of perfect balance
Incomprehensible: A statement that cannot be understood
Archaeology: A study of ancient things
Zoology: A study of animals
Ornithology: A study of birds
Etymology: A study of the derivation of words
Anthropology: A study of man
Ethnology: A study of races
Physiology: A study of the body
Panacea: A supposed cure for all diseases or problems
Obsolete: A thing no longer in use
Invisible: A thing that cannot be seen with human eyes
Edible: A thing that is fit to be eaten
Antonym: A word opposite in meaning to another
Anarchy: Absence of government
Omnivorous: An animal or a human being that eats any kind of food
Predator: An animal who preys on other animals
Audience: An assembly of hearers at a lecture or concert
Facsimile: An exact copy
Sinecure: An office with a high salary but no work
Fatal: Anything that leads to death
Hung: Assembly or parliament in which no party has got a clear majority
Congenital: Belonging or pertaining to an individual from birth
Medieval: Belonging to the Middle Ages

Contemporary: Belonging to the same period of time
Centenary: Celebration of a hundredth year, once
Behead: Cut off the head

Eradicate: Destroy or get rid of something completely
Abolish: Do away with wholly

Exonerate: Free somebody from blame or guilt

Amnesty: General pardon for political offenders
Manuscript: Handwritten book
Brittle: Hard but liable to be easily broken
Misanthropist: Hater of mankind
Ambivalent: Having opposing feelings
Incorrigible: Impossible to change
Insoluble: Incapable of being dissolved in a liquid
Impregnable: Incapable of being seized by attack
Epitaph: Inscription on a tombstone
Accountable: Liable to be called to account
Introspection: Looking into one
Philanthropist: Lover of mankind
Postmortem: Medical examination of a dead body
Embezzlement: Misappropriation of money
Patricide: Murder of a father
Homicide: Murder of a human being
Matricide: Murder of a mother
Fratricide: Murder of an brother
Infanticide: Murder of own infant
Suicide: Murder of self
Regicide: Murder of the king

Irrelevant: Not applicable
Effeminate: Of a man showing feminine attributes
Cannibal: Of a man or animal that feeds on its own species
Avaricious: Of a person extremely desirous of money

Ambidextrous: of a person who can use both hands equally well
Fastidious: Of a person who cannot be pleased easily
Gregarious: Of animals living in flocks
Effeminate: Of manners more like those of a woman than a man
Indefatigable: One incapable of being tired
Valetudinarian: One who always thinks himself to be ill
Theist: One who believes in God
Actuary: One who calculates premium
Mercenary: One who can do anything for money
Cosmopolitan: One who can make himself at home in all countries
Bilingual: One who can speak two languages
Ventriloquist: One who can throw his voice
Turncoat: One who changes sides
Plagiarist: One who copies from other writers
Vandal: One who damages public property
Intestate: One who dies without a Will
Atheist: One who does not believe in the existence of God
Philistine: One who does not care for art, literature etc
Amateur: One who does something not professionally but for pleasure
Agnostic: One who doubts the existence of god
Glutton: One who eats too much
Humanitarian: One who feels sympathetic towards human beings
Pedestrian: One who goes on foot
Bigot: One who has narrow and prejudiced religious views

Pauper: One who has no money
Eccentric: One who has strange habits
Misanthrope: One who hates mankind
Samaritan: One who helps others Good

Neophyte: One who is a newcomer
Fastidious: One who is difficult to please
Gullible: One who is easily deceived
Epicure: One who is fond of sensuous pleasures
Avaricious: One who is greedy for money
Stoic: One who is indifferent to pleasure or pain
Novice: One who is new to a trade or profession
Anarchist: One who is out to subvert a government
Omnipresent: One who is present everywhere
Eligible: One who is qualified for election
Convalescent: One who is recovering from illness
Insolvent: One who is unable to pay his debts
Celibate: One who is unmarried
Omniscient: One who knows everything
Polyglot: One who knows many languages
Immigrant: One who lives in a foreign country
Optimist: One who looks on the bright side of things
Pessimist: One who looks on the dark side of things
Philanthropist: One who loves mankind
Auditor: One who makes an official examination of accounts
Hypocrite: One who pretends to be what he is not
Amateur: One who pursues some art or sport as a hobby
Cynic: One who questions everything
Reticent: One who speaks less
Egoist: One who thinks only for oneself, a person who is selfish, self-absorbed and self centered
Feminist: One who thinks only of the welfare of women
Volunteer: One who works for free
Contemporaries: People living at the same time
Colleagues: People who work together
Equestrian: Person who rides on horseback
Monogamy: Practice of having one wife or husband
Polyandry: Practice of having several husbands
Polygamy: Practice of having several wives
Bigamy: Practice of having two wives or husbands
Convalescent: Recovering from illness
Irrelevant: Remarks which do not ally apply to the subject under discussion
Mobocracy: Rule by the mob
Numismatics: Science of coins or medals
Cosmology: Science of origin of the universe
Namesake: Somebody or something with the same name as somebody or something else
Vegetarian: Somebody who does not eat meat
Cannibal: somebody who eats human flesh
Veteran: Somebody who is considerably experienced in something
Mercenary: Somebody who works or serves only for personal profit
Extempore: Something said or done without preparation
Incorrigible: Something that cannot be corrected
Foregone: Something that has been determined beforehand
Indispensable: Something that is essential and cannot be dispensed with
Inflammable: Something that is quickly and easily set on fire and burned
Extempore: Spoken or done without preparation
Hostility: state of antagonism
Ambiguous: Statements open to more than interpretation
Ecology: Study of environment
Psephology: Systematic study of election trends
Edible: That can be eaten
Irrevocable: That cannot be altered or withdrawn
Illicit: That is prohibited by law
Translucent: That through which light can partly pass
Transparent: That through which light can pass
Opaque: That through which light cannot pass
Inevitable: That which cannot be avoided
Incredible: That which cannot be believed
Invincible: That which cannot be conquered
Incurable: That which cannot be cured
Indefensible: That which cannot be defended
Indescribable: That which cannot be described
Inexplicable: That which cannot be explained
Invulnerable: That which cannot be hurt
Imperceptible: That which cannot be noticed
Impracticable: That which cannot be practised
Impracticable: That which cannot be put into practice
Illegible: That which cannot be read
Insatiable: That which cannot be satisfied
Invisible: That which cannot be seen
Illegal: That which is against the law
Legal: That which is lawful
Improbable: That which is not likely to happen
Infanticide: The act of killing an infant
Jurisdiction: The area over which an official has control
Botany: The branch of biology dealing with plant life
Polyandry: The custom of having more than one husband at a time
Maiden: The first speech made by a person
Adolescence: The period between childhood and adulthood
Biology: The science which treats with life
Antedate: To date before the true time
Elucidate: To explain something mysterious or difficult
Exonerate: To free somebody from all blame
Delegate: To give one
Depreciate: To go down in value
Deteriorate: To go from bad to worse
Aggravate: To increase the gravity of an offence or the intensity of a disease
Accelerate: To increase the speed; to hasten the progress of
Emphasize: To lay special stress on
Appreciate: To rise in value
Eradicate: To root out evil, disease

Disenfranchisement: To take away some one
Kidnap: To take somebody away by force and hold him or her prisoner, usually for ransom
Alienate: To turn friends into enemies
Pseudonym: To write under a different name
Pessimist: Very negative person
Sacrilege: Violating the sanctity of a church

Potable: Water fit for drinking
Gratis: Without payment
Epitaph: Words written on the tomb of a person
Idolatry: Worship of idols
Argot: A slang for the underworld
immaculate: Something perfectly near and clean
alibi: An excuse for something
alimony: The money that a court asks a man to pay to his divorced or legally separated wife
monologue: A speech made by one person
monomania: An obsession of one idea
ablution: Washing of the human body especially in a religious ceremony
ex gratia: A payment not legally binding but for which some moral obligation is felt
conservative: One who believes in keeping things as they are
strong: A tall
Judas: A traitor who can sell out even his fried
Monopoly: Exclusive control or possession of any one thing
Potpourri: A medley or heterogeneous mixture of great variety
Dialect: A language of a region having it's own usage
Monoplane: An airplane with one pair of wings
Virago: A loud mouthed turbulent kind of woman
A faux pas: An embarrassing kinds of mistake
Altruist: One who is interested in the welfare of other people
Rusticate: To relax in the countryside for away from the humdrum of town
Procrastinate: A tendency to put off events/ postpone events
Sadistic: One who gets pleasure on other trouble and pain
Egocentric: One who looks at everything from a personal point of view
timid: One who feels shy
town or place: The most capable part of the group
Gullible: One who is simply and easily deceived
Surveillance: A close watch kept over someone

Also, Read our other Notes of English for Entrance Exams:

1. Article
2. Connectives
3. Number
4. Concord
5. Tense Use
6. Causative Verbs
7. Conditional Sentence
8. Voice
9. Reported Speech
10. Transformation
11. Gerund / To-Infinitive
12. Sentence Pattern
13. Agreement & Disagreement
14. Inversion
15. Adjectives
16. Embedded Question
17. Illogical participle Modifiers
18. Preposition
19. Question Tag
20. Pronouns
21. Commonly Confused Words
22. One Word Substitution
23. Words of Comparision
24. Specialists
25. Phobias
26. Killing & Killers
27. Graphy Words