ONE WORD SUBSTITUTION (एक शब्द में) – Complete Guide for Competitive Exams
📚 WHAT IS ONE WORD SUBSTITUTION?
One Word Substitution = एक वाक्यांश (Phrase) को एक शब्द (Single Word) में बदलना।
✅ Example:
- One who cannot die → Immortal (अमर)
- Present everywhere → Omnipresent (सर्वव्यापी)
- That which can be read → Legible (पढ़ने योग्य)
🔥 IMPORTANT ONE WORD SUBSTITUTIONS (EXAM POINT OF VIEW)
👥 PERSON / PEOPLE (व्यक्ति / लोग)
| Phrase | One Word | Hindi |
| One who cannot die | Immortal | अमर |
| One who cannot be defeated | Invincible | अजेय |
| One who cannot be corrected | Incorrigible | सुधार न होने वाला |
| One who cannot be avoided | Inevitable | अपरिहार्य |
| One who cannot be satisfied | Insatiable | अतृप्त |
| One who speaks many languages | Polyglot | बहुभाषी |
| One who speaks two languages | Bilingual | द्विभाषी |
| One who loves mankind | Philanthropist | मानव-प्रेमी |
| One who hates mankind | Misanthrope | मानव-द्वेषी |
| One who loves women | Philogynist | स्त्री-प्रेमी |
| One who hates women | Misogynist | स्त्री-द्वेषी |
| One who loves books | Bibliophile | पुस्तक-प्रेमी |
| One who hates books | Bibliophobe | पुस्तक-द्वेषी |
| One who loves one’s country | Patriot | देशभक्त |
| One who hates one’s country | Traitor / Rebel | देशद्रोही |
| One who is all-powerful | Omnipotent | सर्वशक्तिमान |
| One who is all-knowing | Omniscient | सर्वज्ञ |
| One who is all-present | Omnipresent | सर्वव्यापी |
| One who eats everything | Omnivore | सर्वभक्षी |
| One who eats only plants | Herbivore | शाकाहारी |
| One who eats only meat | Carnivore | मांसाहारी |
| One who is present everywhere | Omnipresent | सर्वव्यापी |
| One who travels to places | Tourist / Itinerant | यात्री |
| One who wanders from place to place | Nomad / Vagabond | घुमक्कड़ |
| One who is new to a profession | Novice / Tyro / Neophyte | नौसिखिया |
| One who is self-taught | Autodidact | स्व-शिक्षित |
| One who believes in God | Theist | आस्तिक |
| One who does not believe in God | Atheist | नास्तिक |
| One who doubts the existence of God | Agnostic | अज्ञेयवादी |
| One who never makes mistakes | Infallible | अचूक / अपराजेय |
📖 READING / WRITING (पढ़ना / लिखना)
| Phrase | One Word | Hindi |
| That which can be read | Legible | पढ़ने योग्य |
| That which cannot be read | Illegible | न पढ़ा जा सकने वाला |
| That which can be heard | Audible | सुनने योग्य |
| That which cannot be heard | Inaudible | न सुना जा सकने वाला |
| That which can be seen | Visible | दिखने योग्य |
| That which cannot be seen | Invisible | अदृश्य |
| That which can be touched | Tangible | छूने योग्य |
| That which cannot be touched | Intangible | अमूर्त |
| That which can be eaten | Edible | खाने योग्य |
| That which cannot be eaten | Inedible | अखाद्य |
| That which can be drunk | Potable | पीने योग्य |
| That which cannot be drunk | Non-potable | अपेय |
| That which can be burned | Combustible | ज्वलनशील |
| That which cannot be burned | Incombustible | अज्वलनशील |
| That which can be forgiven | Pardonable / Venial | क्षम्य |
| That which cannot be forgiven | Inexcusable / Unpardonable | अक्षम्य |
| That which cannot be imitated | Inimitable | अद्वितीय / अनुकरणीय नहीं |
| That which cannot be expressed in words | Ineffable | अवर्णनीय |
| That which cannot be described | Indescribable | अवर्णनीय |
🌧️ NATURE / WEATHER (प्रकृति / मौसम)
| Phrase | One Word | Hindi |
| Heavy rain | Deluge / Cloudburst | भारी बारिश |
| Continuous rain | Downpour | मूसलधार बारिश |
| A violent storm | Tempest / Hurricane | तूफान |
| A violent wind | Cyclone / Tornado | चक्रवात |
| A long period of dry weather | Drought | सूखा |
| A large mass of snow falling down | Avalanche | हिमस्खलन |
| A sudden shaking of the earth | Earthquake | भूकंप |
| A huge wave caused by an earthquake | Tsunami | सुनामी |
| A mountain with a hole at the top | Volcano | ज्वालामुखी |
| A small stream of water | Rivulet / Brook | छोटी नदी |
| A place where animals are kept | Zoo / Menagerie | चिड़ियाघर |
| A place where birds are kept | Aviary | पक्षीशाला |
| A place where fish are kept | Aquarium | मत्स्यालय |
🏛️ PLACES / BUILDINGS (स्थान / इमारतें)
| Phrase | One Word | Hindi |
| Place where weapons are kept | Arsenal | शस्त्रागार |
| Place where coins are made | Mint | टकसाल |
| Place where clothes are kept | Wardrobe | अलमारी |
| Place where wine is stored | Cellar | शराबखाना |
| Place where dead bodies are kept | Mortuary / Morgue | शवगृह |
| Place where dead are buried | Cemetery / Graveyard | कब्रिस्तान |
| Place where wild animals are kept | Zoo / Menagerie | चिड़ियाघर |
| Place where birds are kept | Aviary | पक्षीशाला |
| Place where fish are kept | Aquarium | मत्स्यालय |
| Place where bees are kept | Apiary | मधुमक्खी-पालन |
| Place where horses are kept | Stable | अस्तबल |
| Place where cows are kept | Byre / Cow-shed | गायशाला |
| Place where dogs are kept | Kennel | कुत्ताघर |
| Place where pigs are kept | Sty | सुअरघर |
| Place where books are kept | Library | पुस्तकालय |
| Place where maps are kept | Atlas | मानचित्र-पुस्तक |
| Place where documents are kept | Archives | अभिलेखागार |
| Place where historical records are kept | Museum | संग्रहालय |
| Place where movies are shown | Cinema / Theatre | सिनेमाघर |
| Place where plays are performed | Auditorium / Theatre | रंगमंच |
| Place where ships are built | Dockyard / Shipyard | जहाज़ निर्माण स्थल |
| Place where planes are kept | Hangar | विमानशाला |
| Place where luggage is kept | Luggage room / Cloakroom | सामान-कक्ष |
| Place where orphans live | Orphanage | अनाथालय |
| Place where old people live | Old-age home | वृद्धाश्रम |
| Place where monks live | Monastery | मठ |
| Place where nuns live | Convent | कान्वेंट |
📚 DISCIPLINES / STUDIES (विषय / अध्ययन)
| Phrase | One Word | Hindi |
| Study of living organisms | Biology | जीव विज्ञान |
| Study of human body | Anatomy | मानव शरीर रचना |
| Study of diseases | Pathology | रोग विज्ञान |
| Study of epidemics | Epidemiology | महामारी विज्ञान |
| Study of insects | Entomology | कीट विज्ञान |
| Study of birds | Ornithology | पक्षी विज्ञान |
| Study of animals | Zoology | प्राणी विज्ञान |
| Study of plants | Botany | वनस्पति विज्ञान |
| Study of earth | Geology | भूविज्ञान |
| Study of earth’s surface | Geography | भूगोल |
| Study of universe | Cosmology | ब्रह्मांड विज्ञान |
| Study of stars and planets | Astronomy | खगोल विज्ञान |
| Study of human mind | Psychology | मनोविज्ञान |
| Study of human society | Sociology | समाजशास्त्र |
| Study of language | Linguistics | भाषाविज्ञान |
| Study of sounds | Phonetics | ध्वनि विज्ञान |
| Study of human evolution | Anthropology | मानव विज्ञान |
| Study of law | Jurisprudence | न्यायशास्त्र |
| Study of numbers | Mathematics | गणित |
| Study of shapes and sizes | Geometry | ज्यामिति |
| Study of chemicals | Chemistry | रसायन विज्ञान |
| Study of matter and energy | Physics | भौतिक विज्ञान |
| Study of fossils | Paleontology | जीवाश्म विज्ञान |
| Study of growth and development | Embryology | भ्रूण विज्ञान |
| Study of tumors | Oncology | ट्यूमर विज्ञान |
| Study of the kidney | Nephrology | वृक्क विज्ञान |
| Study of the heart | Cardiology | हृदय विज्ञान |
| Study of the nervous system | Neurology | तंत्रिका विज्ञान |
| Study of skin | Dermatology | त्वचा विज्ञान |
| Study of old age | Gerontology | वृद्धावस्था विज्ञान |
| Study of earthquakes | Seismology | भूकंप विज्ञान |
| Study of the origin of words | Etymology | शब्द-व्युत्पत्ति |
| Study of word meanings | Semantics | शब्दार्थ विज्ञान |
📜 GOVERNMENT / POLITICS (शासन / राजनीति)
| Phrase | One Word | Hindi |
| Government by one person | Autocracy / Monarchy | एकतंत्र |
| Government by a king | Monarchy | राजतंत्र |
| Government by a few people | Oligarchy | कुलीनतंत्र |
| Government by the rich | Plutocracy | धनतंत्र |
| Government by the army | Stratocracy | सैन्यतंत्र |
| Government by the common people | Democracy | लोकतंत्र |
| Government by officials | Bureaucracy | नौकरशाही |
| Government by the best people | Aristocracy | कुलीनतंत्र |
| Government by religious leaders | Theocracy | धर्मतंत्र |
| Absence of government | Anarchy | अराजकता |
| Rule by the mob | Ochlocracy | भीड़तंत्र |
🎭 MISCELLANEOUS (विविध)
| Phrase | One Word | Hindi |
| Yearly celebration | Annual | वार्षिक |
| Half-yearly | Semi-annual | अर्धवार्षिक |
| Twice a year | Biannual | द्विवार्षिक |
| Once in two years | Biennial | द्विवर्षीय |
| Every two years | Biennial | हर दो साल |
| Lasting for a short time | Ephemeral / Transient | क्षणिक |
| Lasting forever | Eternal / Perpetual | शाश्वत |
| A speech by one person | Monologue | एकालाप |
| A conversation between two people | Dialogue | संवाद |
| A conversation among many | Polylogue | बहुसंवाद |
| A person who collects stamps | Philatelist | डाक-टिकट संग्रहकर्ता |
| A person who collects coins | Numismatist | सिक्का संग्रहकर्ता |
| A person who collects books | Bibliophile | पुस्तक-प्रेमी |
| One who is outgoing and friendly | Extrovert | बहिर्मुखी |
| One who is reserved and shy | Introvert | अंतर्मुखी |
| One who is between introvert and extrovert | Ambivert | उभयमुखी |
| One who is very careful | Meticulous | अत्यंत सावधान |
| One who is extremely generous | Magnanimous | उदारचित्त |
| One who is very cruel | Atrocious / Brutal | अत्याचारी |
| One who is full of energy | Vigorous | ऊर्जावान |
| One who is lazy | Lethargic / Indolent | आलसी |
📝 OLD EXAM QUESTIONS (पुराने प्रश्न पत्र)
SET 1: Basic Level
Q.1 One who cannot die is called: (SSC GD 2020)
- (a) Immortal (b) Invincible (c) Incorrigible (d) Inevitable
Answer: (a) Immortal ✅
Q.2 Present everywhere is called: (SSC CHSL 2021)
- (a) Omniscient (b) Omnipotent (c) Omnipresent (d) Omnivore
Answer: (c) Omnipresent ✅
Q.3 Heavy rainfall is called: (SSC MTS 2022)
- (a) Deluge (b) Drought (c) Avalanche (d) Tsunami
Answer: (a) Deluge ✅
Q.4 One who cannot be corrected is: (NDA 2018)
- (a) Invincible (b) Incorrigible (c) Inevitable (d) Insatiable
Answer: (b) Incorrigible ✅
Q.5 Place where animals are kept is called: (SSC CPO 2020)
- (a) Aviary (b) Aquarium (c) Zoo (d) Apiary
Answer: (c) Zoo ✅
SET 2: Intermediate Level
Q.6 A person who speaks many languages is called: (SSC CGL 2019)
- (a) Polyglot (b) Bilingual (c) Philologist (d) Linguist
Answer: (a) Polyglot ✅
Q.7 Study of birds is called: (Bank PO 2018)
- (a) Ornithology (b) Entomology (c) Zoology (d) Botany
Answer: (a) Ornithology ✅
Q.8 A person who loves mankind is called: (SSC CHSL 2022)
- (a) Philanthropist (b) Misanthrope (c) Bibliophile (d) Patriot
Answer: (a) Philanthropist ✅
Q.9 That which cannot be read is called: (SSC MTS 2021)
- (a) Legible (b) Illegible (c) Audible (d) Inaudible
Answer: (b) Illegible ✅
Q.10 Government by one person is called: (SSC GD 2020)
- (a) Democracy (b) Autocracy (c) Bureaucracy (d) Plutocracy
Answer: (b) Autocracy ✅
SET 3: Advanced Level
Q.11 A person who hates women is called: (SSC CGL 2022)
- (a) Misogynist (b) Philogynist (c) Misanthrope (d) Philanderer
Answer: (a) Misogynist ✅
Q.12 Place where bees are kept is called: (Bank PO 2021)
- (a) Aviary (b) Aquarium (c) Apiary (d) Zoo
Answer: (c) Apiary ✅
Q.13 Study of old age is called: (SSC CHSL 2023)
- (a) Gerontology (b) Cardiology (c) Dermatology (d) Oncology
Answer: (a) Gerontology ✅
Q.14 A person who collects stamps is called: (CDS 2022)
- (a) Numismatist (b) Philatelist (c) Bibliophile (d) Auditor
Answer: (b) Philatelist ✅
Q.15 One who is all-powerful is called: (SSC CPO 2023)
- (a) Omniscient (b) Omnipresent (c) Omnipotent (d) Omnivore
Answer: (c) Omnipotent ✅
SET 4: Mixed Practice
Q.16 A person who loves books is called: (SSC GD 2022)
- (a) Bibliophile (b) Bibliophobe (c) Bibliographer (d) Biographer
Answer: (a) Bibliophile ✅
Q.17 Study of insects is called: (Bank PO 2019)
- (a) Ornithology (b) Entomology (c) Zoology (d) Botany
Answer: (b) Entomology ✅
Q.18 That which can be touched is called: (SSC CGL 2020)
- (a) Tangible (b) Intangible (c) Potable (d) Edible
Answer: (a) Tangible ✅
Q.19 Place where birds are kept is called: (SSC CPO 2021)
- (a) Aviary (b) Aquarium (c) Apiary (d) Zoo
Answer: (a) Aviary ✅
Q.20 One who speaks two languages is called: (CDS 2022)
- (a) Polyglot (b) Bilingual (c) Multilingual (d) Linguist
Answer: (b) Bilingual ✅
SET 5: Tricky/High-Level
Q.21 One who is self-taught is called: (SSC CHSL 2023)
- (a) Autodidact (b) Novice (c) Tyro (d) Neophyte
Answer: (a) Autodidact ✅
Q.22 One who doubts the existence of God is called: (NDA 2021)
- (a) Atheist (b) Theist (c) Agnostic (d) Deist
Answer: (c) Agnostic ✅
Q.23 A place where historical records are kept is called: (SSC CGL 2021)
- (a) Archives (b) Museum (c) Library (d) Gallery
Answer: (a) Archives ✅
Q.24 A speech by a single person is called: (Bank PO 2020)
- (a) Dialogue (b) Monologue (c) Polylogue (d) Prologue
Answer: (b) Monologue ✅
Q.25 Study of the origin of words is called: (SSC MTS 2023)
- (a) Semantics (b) Etymology (c) Phonetics (d) Linguistics
Answer: (b) Etymology ✅
📊 QUICK REVISION TABLE
| Category | One Word | Meaning |
| Cannot die | Immortal | अमर |
| All-powerful | Omnipotent | सर्वशक्तिमान |
| All-knowing | Omniscient | सर्वज्ञ |
| All-present | Omnipresent | सर्वव्यापी |
| Readable | Legible | पढ़ने योग्य |
| Not readable | Illegible | न पढ़ा जा सकने वाला |
| Heavy rain | Deluge / Cloudburst | भारी बारिश |
| Many languages | Polyglot | बहुभाषी |
| Mankind-lover | Philanthropist | मानव-प्रेमी |
| Book-lover | Bibliophile | पुस्तक-प्रेमी |
| Hates women | Misogynist | स्त्री-द्वेषी |
| Study of birds | Ornithology | पक्षी विज्ञान |
| Study of insects | Entomology | कीट विज्ञान |
| Study of diseases | Pathology | रोग विज्ञान |
| Government by one | Autocracy | एकतंत्र |
| Government by people | Democracy | लोकतंत्र |
| Stamp collector | Philatelist | डाक-टिकट संग्रहकर्ता |
| Coin collector | Numismatist | सिक्का संग्रहकर्ता |
🎯 SUPER TRICKS SUMMARY
TRICK 1: Prefix + Suffix Method
- Biblio = Book → Bibliophile (Book-lover)
- Phil = Love → Philanthropist (Mankind-lover)
- Mis = Hate → Misogynist (Woman-hater)
- Omni = All → Omnipresent (All-present)
- Poly = Many → Polyglot (Many languages)
- Auto = Self → Autodidact (Self-taught)
TRICK 2: Root Words Memory
| Root | Meaning | Example |
| Biblio | Book | Bibliophile |
| Phil | Love | Philanthropist |
| Mis | Hate | Misogynist |
| Omni | All | Omnipotent |
| Poly | Many | Polyglot |
| Aut | Self | Autobiography |
| Chron | Time | Chronology |
| Geo | Earth | Geography |
| Bio | Life | Biology |
| Logy | Study | Psychology |
TRICK 3: Common Suffixes
| Suffix | Meaning | Example |
| -phobia | Fear | Claustrophobia |
| -phile | Lover | Bibliophile |
| -cracy | Government | Democracy |
| -logy | Study | Biology |
| -ist | One who does | Philatelist |
💪 PRACTICE QUESTIONS (Solve Yourself)
Q.1 One who cannot be defeated:
(a) Invincible (b) Inevitable (c) Incorrigible (d) Infallible
Q.2 Study of the universe:
(a) Astronomy (b) Astrology (c) Cosmology (d) Geography
Q.3 A place where coins are made:
(a) Mint (b) Museum (c) Archives (d) Arsenal
Q.4 One who hates mankind:
(a) Misanthrope (b) Philanthropist (c) Bibliophile (d) Patriot
Q.5 That which cannot be imitated:
(a) Inimitable (b) Inevitable (c) Incredible (d) Inaudible
Q.6 Study of the human mind:
(a) Psychology (b) Sociology (c) Anthropology (d) Physiology
Q.7 A person who is very careful:
(a) Meticulous (b) Lethargic (c) Indolent (d) Brutal
Q.8 Place where weapons are stored:
(a) Arsenal (b) Armoury (c) Museum (d) Mint
Q.9 Government by the rich:
(a) Plutocracy (b) Democracy (c) Autocracy (d) Theocracy
Q.10 Study of earthquakes:
(a) Seismology (b) Petrology (c) Paleontology (d) Ecology
📌 MOST IMPORTANT FOR EXAMS:
- Omni- words (Omnipotent, Omniscient, Omnipresent) → 1-2 questions
- -phile / -phobe words → 1-2 questions
- One who… (personality based) → 2-3 questions
- Study of… (subject based) → 1-2 questions
- Place where… (location based) → 1 question
- Legible / Illegible / Audible → 1 question
- Government types → 1 question
💪 Practice Tips:
- 50+ One Word Substitutions याद करें
- Root words (Omni, Phil, Mis, Biblio) याद करें
- Previous Papers (SSC, Bank, NDA, CDS) solve करें
- Daily 5-10 new substitutions practice करें
- Make flashcards for quick revision
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