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One Word Substitution SSC OWS SSC CGL English SSC CHSL Vocabulary SSC CPO English MTS English Preparation Competitive Exam Vocabulary English Grammar Vocabulary PDF SSC English Notes
Top 200 One Word Substitution (OWS) for SSC CGL, CHSL, CPO, MTS & Other Exams
One Word Substitution (OWS) is one of the most important topics in the English section of SSC exams. Questions based on One Word Substitution are frequently asked in SSC CGL, SSC CHSL, SSC CPO, MTS, GD Constable, Delhi Police, Railways, Banking, CDS, NDA, and other competitive examinations.
Learning OWS helps candidates improve vocabulary, comprehension, and overall English language skills.
What is One Word Substitution?
One Word Substitution refers to replacing a group of words or a phrase with a single word that conveys the same meaning.
Examples:
- A person who cannot read or write → Illiterate
- A person who loves mankind → Philanthropist
- One who knows everything → Omniscient
Top 200 One Word Substitutions for SSC Exams
| Phrase | One Word Substitution |
|---|---|
| A person who cannot read or write | Illiterate |
| A person who knows everything | Omniscient |
| A person who loves mankind | Philanthropist |
| One who studies birds | Ornithologist |
| One who studies plants | Botanist |
| One who studies animals | Zoologist |
| One who studies history | Historian |
| One who studies human society | Sociologist |
| One who studies stars | Astronomer |
| One who studies the earth | Geologist |
| A government ruled by the people | Democracy |
| Rule by one person | Autocracy |
| Rule by a king | Monarchy |
| Rule by the wealthy | Aristocracy |
| A place where books are kept | Library |
| A place where animals are kept | Zoo |
| A place where dead bodies are kept | Mortuary |
| A place where coins are made | Mint |
| A place where weapons are stored | Arsenal |
| A place for keeping airplanes | Hangar |
| A speech made without preparation | Extempore |
| A person who hates women | Misogynist |
| A person who hates mankind | Misanthrope |
| A person who hates marriage | Misogamist |
| A person who talks too much | Garrulous |
| A person who speaks many languages | Polyglot |
| A person who eats too much | Glutton |
| A person who is difficult to please | Fastidious |
| A person who never makes mistakes | Infallible |
| A person who is hard to satisfy | Insatiable |
| A child whose parents are dead | Orphan |
| A person who cannot hear | Deaf |
| A person who cannot speak | Mute |
| A person who cannot see | Blind |
| A person who walks in sleep | Somnambulist |
| One who compiles dictionaries | Lexicographer |
| One who writes biographies | Biographer |
| One who writes dictionaries | Lexicographer |
| One who writes poems | Poet |
| One who writes plays | Dramatist |
| A person who collects stamps | Philatelist |
| A person who collects coins | Numismatist |
| A lover of books | Bibliophile |
| A lover of wisdom | Philosopher |
| A lover of humanity | Humanitarian |
| One who loves oneself | Narcissist |
| One who loves animals | Zoophile |
| One who loves nature | Naturalist |
| One who can use both hands equally well | Ambidextrous |
| One who believes in fate | Fatalist |
| One who believes in God | Theist |
| One who does not believe in God | Atheist |
| One who believes in many gods | Polytheist |
| One who believes in one God | Monotheist |
| One who is present everywhere | Omnipresent |
| One who is all powerful | Omnipotent |
| One who knows all things | Omniscient |
| Fear of water | Hydrophobia |
| Fear of heights | Acrophobia |
| Fear of confined places | Claustrophobia |
| Fear of spiders | Arachnophobia |
| Fear of strangers | Xenophobia |
| Fear of books | Bibliophobia |
| Fear of fire | Pyrophobia |
| Fear of darkness | Nyctophobia |
| Fear of death | Thanatophobia |
| Fear of speaking | Glossophobia |
| A handwritten book | Manuscript |
| A life history written by oneself | Autobiography |
| Life history written by another | Biography |
| Study of life | Biology |
| Study of races | Ethnology |
| Study of languages | Philology |
| Study of insects | Entomology |
| Study of medicines | Pharmacology |
| Study of diseases | Pathology |
| Study of the mind | Psychology |
| One who flies an aircraft | Pilot |
| One who travels on foot | Pedestrian |
| One who journeys from place to place | Itinerant |
| One who lives alone | Recluse |
| One who lives in a foreign country | Immigrant |
| One who comes to settle in another country | Migrant |
| One who leaves his country | Emigrant |
| A person without a home | Vagabond |
| One who lives by begging | Beggar |
| One who works for free | Volunteer |
| One who cannot pay debts | Insolvent |
| One who wastes money | Spendthrift |
| One who saves excessively | Miser |
| One who hates spending money | Stingy |
| One who spends lavishly | Extravagant |
| One who is easily deceived | Gullible |
| One who is new to a profession | Novice |
| One who has long experience | Veteran |
| One who is learning a trade | Apprentice |
| One who is skilled | Expert |
| One who is fond of fighting | Belligerent |
| One who breaks laws | Criminal |
| One who deserts his country | Traitor |
| One who is devoted to duty | Dutiful |
| One who is fond of company | Gregarious |
| One who avoids company | Introvert |
| One who looks at the bright side | Optimist |
| One who looks at the dark side | Pessimist |
| One who loves pleasure | Hedonist |
| One who lives simply | Ascetic |
Previous Year SSC OWS Questions
1. One who knows everything
Answer: Omniscient
2. A person who collects coins
Answer: Numismatist
3. A person who walks in sleep
Answer: Somnambulist
4. One who can use both hands equally well
Answer: Ambidextrous
5. A lover of books
Answer: Bibliophile
Preparation Tips
- Learn 10–15 One Word Substitutions daily.
- Revise difficult words regularly.
- Solve SSC previous year papers.
- Maintain a vocabulary notebook.
- Practice mock tests every week.
Conclusion
One Word Substitution is a high-scoring topic in SSC examinations. Regular practice of these important OWS words will improve your vocabulary and help you score better in SSC CGL, CHSL, CPO, MTS, GD Constable, Railways, Banking, and other competitive exams.
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