TNPSC One Word Substitution Test 1

Mastering One Word Substitution MCQs can significantly improve your performance in the TNPSC English section. In this TNPSC One Word Substitution Test 1, you will practice 20 carefully selected questions that test your ability to replace lengthy phrases with precise single words. These vocabulary-based questions are frequently seen in competitive examinations and help strengthen both comprehension and language accuracy.

Whether you are revising for Group 1, Group 2, or Group 4 examinations, this TNPSC English Grammar Quiz provides a practical way to build vocabulary and identify commonly used substitutions. Attempt all questions, review the explanations, and track your progress as you develop stronger Competitive Exam English skills.

1. Choose the one word for "A person who cannot read or write":

2. Choose the one word for "A person who loves mankind":

3. Choose the one word for "A place where books are kept":

4. Choose the one word for "One who looks on the bright side of things":

5. Choose the one word for "A person who is present everywhere":

6. Choose the one word for "A person who knows everything":

7. Choose the one word for "A speech delivered without preparation":

8. Choose the one word for "A person who hates mankind":

9. Choose the one word for "A government ruled by the people":

10. Choose the one word for "A person who speaks many languages":

11. Choose the one word for "A person who loves books":

12. Choose the one word for "A person who studies the stars and planets":

13. Choose the one word for "A person who compiles a dictionary":

14. Choose the one word for "A place where animals are kept":

15. Choose the one word for "One who walks in sleep":

16. Choose the one word for "A person who cannot hear":

17. Choose the one word for "A person who cannot see":

18. Choose the one word for "A person who loves his country":

19. Choose the one word for "A person who travels from place to place":

20. Choose the one word for "A person who is unable to pay debts":

📘 Want to revise the concepts covered in this quiz?
Click on the Concept Booster tab above for detailed explanations.

TNPSC One Word Substitution Test 1– Concept Booster

Mastering TNPSC Synonyms and Antonyms is one of the easiest ways to improve your score in the TNPSC English section. In this Synonyms and Antonyms Top 50 Questions series, each question is explained with word meanings, correct answers, examples, and quick revision tips. These Synonyms and Antonyms explanations will help you understand vocabulary better, avoid common mistakes, and build confidence for upcoming TNPSC exams.

1. Illiterate

Meaning:
The word Illiterate refers to a person who cannot read or write. It is used to describe someone who lacks basic reading and writing skills. The opposite of illiterate is Literate.

Why Other Options Are Wrong?

  • Scholar – A highly educated person with deep knowledge in a subject.
  • Literate – A person who can read and write.
  • Author – A person who writes books or articles.

Example:
Many adult education programs help illiterate people learn reading and writing skills.

Exam Tip:
Remember: “il-” means “not”. Therefore, Illiterate = Not Literate.

Quick Revision:
✔ Illiterate → Cannot read or write
✔ Literate → Can read and write
✔ Scholar → Learned person
✔ Author → Writer


2. Philanthropist

Meaning:
A Philanthropist is a person who loves humanity and helps others through charitable activities, donations, or social service.

Why Other Options Are Wrong?

  • Optimist – A person who expects positive outcomes.
  • Pessimist – A person who expects negative outcomes.
  • Miser – A person who is unwilling to spend money.

Example:
Many philanthropists donate money to schools, hospitals, and welfare organizations.

Exam Tip:
The word “Philanthropist” comes from roots meaning “love of mankind.”

Quick Revision:
✔ Philanthropist → Loves and helps humanity
✔ Optimist → Positive thinker
✔ Pessimist → Negative thinker
✔ Miser → Very stingy person


3. Library

Meaning:
A Library is a place where books, magazines, and other reading materials are stored for study and reference.

Why Other Options Are Wrong?

  • Museum – A place where historical or cultural objects are displayed.
  • Aquarium – A place where aquatic animals are kept.
  • Laboratory – A place used for scientific experiments.

Example:
Students often visit the library to prepare for competitive examinations.

Exam Tip:
Remember: Library = Books, Laboratory = Experiments.

Quick Revision:
✔ Library → Place for books
✔ Museum → Historical objects
✔ Aquarium → Aquatic life
✔ Laboratory → Scientific experiments


4. Optimist

Meaning:
An Optimist is a person who looks on the bright side of things and expects positive results.

Why Other Options Are Wrong?

  • Pessimist – A person who expects the worst.
  • Realist – A person who sees situations as they truly are.
  • Critic – A person who evaluates or points out faults.

Example:
Even during difficult times, an optimist remains hopeful and confident.

Exam Tip:
Remember: Optimist = Positive, Pessimist = Negative.

Quick Revision:
✔ Optimist → Positive thinker
✔ Pessimist → Negative thinker
✔ Realist → Practical thinker
✔ Critic → Evaluates others


5. Omnipresent

Meaning:
The word Omnipresent means being present everywhere at the same time. It is often used in religious or philosophical contexts.

Why Other Options Are Wrong?

  • Omniscient – Knowing everything.
  • Omnipotent – Having unlimited power.
  • Invisible – Unable to be seen.

Example:
Many religions describe God as omnipresent, meaning present everywhere.

Exam Tip:
Remember the difference:

  • Omnipresent → Present everywhere
  • Omniscient → Knows everything
  • Omnipotent → All-powerful

Quick Revision:
✔ Omnipresent → Present everywhere
✔ Omniscient → Knows everything
✔ Omnipotent → All-powerful
✔ Invisible → Cannot be seen


6. Omniscient

Meaning:
The word Omniscient means having complete knowledge of everything. It is often used to describe a person or being who knows all facts and events.

Why Other Options Are Wrong?

  • Omnipresent – Present everywhere at the same time.
  • Omnipotent – Having unlimited power.
  • Wise – Having good judgment and experience, but not knowing everything.

Example:
In many religious beliefs, God is considered omniscient.

Exam Tip:
Remember: “scient” relates to knowledge. Therefore, Omniscient = All-knowing.

Quick Revision:
✔ Omniscient → Knows everything
✔ Omnipresent → Present everywhere
✔ Omnipotent → All-powerful
✔ Wise → Experienced and sensible


7. Extempore

Meaning:
An Extempore speech is delivered without prior preparation or memorization. The speaker expresses ideas spontaneously.

Why Other Options Are Wrong?

  • Debate – A formal discussion on a particular topic.
  • Lecture – An educational talk delivered to an audience.
  • Seminar – A meeting or session for discussion and learning.

Example:
Students are often asked to give an extempore speech during competitions.

Exam Tip:
Extempore = Speak instantly without preparation.

Quick Revision:
✔ Extempore → Unprepared speech
✔ Debate → Formal argument
✔ Lecture → Educational talk
✔ Seminar → Discussion session


8. Misanthrope

Meaning:
A Misanthrope is a person who dislikes or hates humankind and prefers to avoid social interaction.

Why Other Options Are Wrong?

  • Philanthropist – A person who loves and helps humanity.
  • Optimist – A person with a positive outlook.
  • Miser – A person who hates spending money.

Example:
The character in the novel avoided people and behaved like a misanthrope.

Exam Tip:
Remember:

  • Philanthropist = Loves people
  • Misanthrope = Hates people

Quick Revision:
✔ Misanthrope → Hates mankind
✔ Philanthropist → Loves mankind
✔ Optimist → Positive thinker
✔ Miser → Stingy person


9. Democracy

Meaning:
A Democracy is a form of government in which people elect their representatives and participate in decision-making through voting.

Why Other Options Are Wrong?

  • Monarchy – Rule by a king or queen.
  • Dictatorship – Rule by one person with absolute power.
  • Oligarchy – Rule by a small group of people.

Example:
India is the world’s largest democracy where citizens elect their leaders.

Exam Tip:
Remember: Demo = People. Therefore, Democracy = Rule by the people.

Quick Revision:
✔ Democracy → Rule by people
✔ Monarchy → Rule by king/queen
✔ Dictatorship → Rule by one person
✔ Oligarchy → Rule by a few people


10. Linguist

Meaning:
A Linguist is a person who is skilled in several languages or studies language and its structure.

Why Other Options Are Wrong?

  • Novelist – A person who writes novels.
  • Scientist – A person who studies science.
  • Editor – A person who reviews and prepares content for publication.

Example:
A linguist may speak multiple languages and study how languages develop.

Exam Tip:
The word “lingua” means language. Therefore, Linguist = Language expert.

Quick Revision:
✔ Linguist → Language expert
✔ Novelist → Novel writer
✔ Scientist → Science expert
✔ Editor → Content reviewer


11. Bibliophile

Meaning:
A Bibliophile is a person who loves books and enjoys reading or collecting them. Such people often have a strong interest in literature and knowledge.

Why Other Options Are Wrong?

  • Biographer – A person who writes the life story of another person.
  • Librarian – A person who manages a library.
  • Journalist – A person who reports news for newspapers, magazines, or media organizations.

Example:
Ravi is a true bibliophile who spends most of his free time reading books.

Exam Tip:
Remember: “Biblio” means books. Therefore, Bibliophile = Book lover.

Quick Revision:
✔ Bibliophile → Loves books
✔ Biographer → Writes biographies
✔ Librarian → Manages a library
✔ Journalist → Reports news


12. Astronomer

Meaning:
An Astronomer is a scientist who studies stars, planets, galaxies, and other celestial objects in space.

Why Other Options Are Wrong?

  • Geologist – Studies rocks, minerals, and the Earth.
  • Biologist – Studies living organisms.
  • Botanist – Studies plants.

Example:
Astronomers use telescopes to observe distant planets and stars.

Exam Tip:
Remember: Astronomy = Study of space, Astronomer = Person who studies space.

Quick Revision:
✔ Astronomer → Studies stars and planets
✔ Geologist → Studies Earth and rocks
✔ Biologist → Studies living things
✔ Botanist → Studies plants


13. Lexicographer

Meaning:
A Lexicographer is a person who compiles, edits, or writes dictionaries. They study words, meanings, and usage.

Why Other Options Are Wrong?

  • Editor – Reviews and prepares written material for publication.
  • Author – Writes books or articles.
  • Publisher – Produces and distributes books and other publications.

Example:
The lexicographer spent years preparing a comprehensive English dictionary.

Exam Tip:
Whenever you see dictionary maker, think of Lexicographer.

Quick Revision:
✔ Lexicographer → Dictionary compiler
✔ Editor → Reviews content
✔ Author → Writer
✔ Publisher → Produces books


14. Zoo

Meaning:
A Zoo is a place where animals are kept, cared for, and displayed to the public for education and recreation.

Why Other Options Are Wrong?

  • Sanctuary – A protected place where animals live safely in a natural environment.
  • Aquarium – A place where aquatic animals are kept.
  • Museum – A place where historical, cultural, or scientific objects are displayed.

Example:
Children enjoy visiting the zoo to learn about different animal species.

Exam Tip:
Remember:

  • Zoo = Animals
  • Aquarium = Aquatic animals
  • Museum = Objects and artifacts

Quick Revision:
✔ Zoo → Place where animals are kept
✔ Sanctuary → Protected animal habitat
✔ Aquarium → Aquatic animals
✔ Museum → Historical objects


15. Somnambulist

Meaning:
A Somnambulist is a person who walks or performs activities while asleep. This condition is commonly known as sleepwalking.

Why Other Options Are Wrong?

  • Sleeper – A person who is sleeping.
  • Dreamer – A person who dreams or imagines things.
  • Insomniac – A person who suffers from insomnia and cannot sleep properly.

Example:
The somnambulist unknowingly walked around the house while asleep.

Exam Tip:
Remember: Somnambulist = Sleepwalker.

Quick Revision:
✔ Somnambulist → Sleepwalker
✔ Sleeper → Person who sleeps
✔ Dreamer → Person who dreams
✔ Insomniac → Person unable to sleep properly


16. Deaf

Meaning:
A Deaf person is someone who is unable to hear either partially or completely. Hearing loss may occur from birth or due to illness, injury, or aging.

Why Other Options Are Wrong?

  • Blind – A person who cannot see.
  • Dumb – An outdated term traditionally used for a person unable to speak.
  • Mute – A person who cannot speak.

Example:
Special hearing aids can help some deaf people communicate more effectively.

Exam Tip:
Remember:

  • Deaf = Cannot hear
  • Blind = Cannot see
  • Mute = Cannot speak

Quick Revision:
✔ Deaf → Cannot hear
✔ Blind → Cannot see
✔ Mute → Cannot speak
✔ Dumb → Traditionally refers to inability to speak


17. Blind

Meaning:
A Blind person is someone who is unable to see partially or completely. Blindness may occur due to birth conditions, disease, or injury.

Why Other Options Are Wrong?

  • Deaf – A person who cannot hear.
  • Mute – A person who cannot speak.
  • Crippled – A traditional term referring to severe physical disability (less commonly used today).

Example:
Blind individuals often use Braille to read and write.

Exam Tip:
Do not confuse:

  • Blind = No vision
  • Deaf = No hearing
  • Mute = No speech

Quick Revision:
✔ Blind → Cannot see
✔ Deaf → Cannot hear
✔ Mute → Cannot speak
✔ Braille → Reading system for the blind


18. Patriot

Meaning:
A Patriot is a person who loves, supports, and is devoted to his or her country. Patriots work for the welfare and progress of their nation.

Why Other Options Are Wrong?

  • Traitor – A person who betrays his or her country.
  • Citizen – A legal member of a country.
  • Soldier – A member of the armed forces.

Example:
Many freedom fighters are remembered as great patriots.

Exam Tip:
Remember:

  • Patriot = Loves country
  • Traitor = Betrays country

Quick Revision:
✔ Patriot → Loves country
✔ Traitor → Betrays country
✔ Citizen → Member of a country
✔ Soldier → Serves in the military


19. Nomad

Meaning:
A Nomad is a person who moves from place to place and does not settle permanently in one location. Nomads often travel in search of food, water, or work.

Why Other Options Are Wrong?

  • Tourist – A person who travels for pleasure.
  • Sailor – A person who works on a ship.
  • Pilot – A person who flies an aircraft.

Example:
Some nomadic tribes move from one region to another throughout the year.

Exam Tip:
Remember:

  • Nomad = No permanent home
  • Tourist = Travels for enjoyment

Quick Revision:
✔ Nomad → Moves from place to place
✔ Tourist → Travels for pleasure
✔ Sailor → Works on a ship
✔ Pilot → Flies an aircraft


20. Insolvent

Meaning:
An Insolvent person is someone who is unable to pay his or her debts because of financial difficulties. Insolvency is a common term in banking and business.

Why Other Options Are Wrong?

  • Banker – A person who works in a bank.
  • Creditor – A person or organization to whom money is owed.
  • Borrower – A person who receives money as a loan.

Example:
The company was declared insolvent after it failed to repay its debts.

Exam Tip:
Remember:

  • Insolvent = Cannot pay debts
  • Creditor = Gives loan / is owed money
  • Borrower = Takes loan

Quick Revision:
✔ Insolvent → Unable to pay debts
✔ Creditor → Person who is owed money
✔ Borrower → Person who takes a loan
✔ Banker → Bank employee

Final Revision Tips

Before taking the next TNPSC One Word Substitution quiz, quickly revise these important words:

People

✔ Illiterate → Cannot read or write
✔ Philanthropist → Loves mankind
✔ Optimist → Looks on the bright side
✔ Misanthrope → Hates mankind
✔ Linguist → Language expert
✔ Bibliophile → Loves books
✔ Astronomer → Studies stars and planets
✔ Lexicographer → Compiles dictionaries
✔ Somnambulist → Sleepwalker
✔ Patriot → Loves his country
✔ Nomad → Moves from place to place
✔ Insolvent → Unable to pay debts

Places

✔ Library → Place where books are kept
✔ Zoo → Place where animals are kept

Special Terms

✔ Omnipresent → Present everywhere
✔ Omniscient → Knows everything
✔ Extempore → Speech delivered without preparation
✔ Democracy → Government ruled by the people

Physical Conditions

✔ Deaf → Cannot hear
✔ Blind → Cannot see

Quick Memory Tricks

  • Philanthropist = Loves people
  • Misanthrope = Hates people
  • Omnipresent = Present everywhere
  • Omniscient = Knows everything
  • Patriot = Loves country
  • Traitor = Betrays country
  • Insolvent = Cannot pay debts

Exam Strategy

In competitive exams, many One Word Substitution questions can be answered by eliminating incorrect options. Focus on learning the meanings of both the correct answers and the distractors. Regular revision of vocabulary will improve your performance in TNPSC, SSC, RRB, and other government exams.

To understand word meanings more clearly, refer to trusted sources like the Cambridge Dictionary for accurate definitions and usage examples.

Next → TNPSC Synonyms and Antonyms Quiz 3

Next → Mixed Revision Test 2(Synonyms & Antonyms – Top 50 Questions)

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