🎯 One Word Substitution
Replace entire phrases with a single precise word — a high-scoring vocabulary topic for competitive exams.
One Word Substitution
One Word Substitution (OWS) means replacing a phrase or description with a single word. This is a direct question type in IBPS, SBI, SSC, and NABARD exams — you're given a phrase and asked to pick the correct word.
TIP
Strategy: Learn OWS by category (people, places, actions, studies). Most exam questions fall into predictable groups. Master the categories and you'll answer even unfamiliar questions by elimination.
People & Roles
| Phrase | One Word |
|---|---|
| One who loves mankind | |
| One who hates mankind | |
| One who loves oneself excessively | |
| One who can use both hands equally | |
| One who is present everywhere | |
| One who knows everything | |
| One who can do anything | |
| One who walks in sleep | |
| One who eats human flesh | |
| One who speaks many languages | |
| One who does not believe in God | |
| One who is not sure about God's existence | |
| One who collects stamps | |
| One who loves books | |
| One who hates women |
Government & Politics
| Phrase | One Word |
|---|---|
| Government by the people | |
| Government by a king/queen | |
| Government by the wealthy | |
| Government by officials | |
| Government by nobody (lawlessness) | |
| Government by a dictator | |
| Government by religious leaders | |
| Rule by the best or noble | |
| Rule by old people | |
| Rule by a small group |
Death & Killing
| Phrase | One Word |
|---|---|
| Killing of oneself | |
| Killing of a human being | |
| Killing of a king | |
| Killing of an infant | |
| Killing of one's father | |
| Killing of one's mother | |
| Killing of one's brother | |
| Killing of a large group of people | |
| Mercy killing to end suffering | |
| Killing of insects with chemicals |
Studies & Sciences (the "-ology" words)
| Study of | One Word |
|---|---|
| Insects | |
| Birds | |
| Skin diseases | |
| The heart | |
| Bones | |
| Diseases | |
| Weather | |
| Languages | |
| Handwriting | |
| Fossils | |
| Population statistics | |
| Coins and medals |
Phobias (Fear of...)
| Fear of | One Word |
|---|---|
| Heights | |
| Enclosed spaces | |
| Open spaces | |
| Water | |
| Foreigners/strangers | |
| Spiders | |
| Darkness | |
| Death | |
| Fire | |
| Being alone |
Actions & States
| Phrase | One Word |
|---|---|
| Something that cannot be erased | |
| Something that cannot be avoided | |
| Something that cannot be believed | |
| Something that cannot be read | |
| Something that cannot be heard | |
| Something that cannot be conquered | |
| Something that cannot be corrected | |
| Something that lasts a short time | |
| A speech given without preparation | |
| A story of one's own life written by oneself | |
| A person's life story written by another | |
| A collection of poems | |
| Words written on a tombstone |
How to Solve OWS Questions
- Look at root words — Latin/Greek roots reveal meaning (e.g., omni = all, phobia = fear, cide = killing)
- Use elimination — even if you don't know the answer, recognise wrong roots
- Use the Vocabulary Explorer — look up unfamiliar options to verify their exact meaning
- Focus on the key distinguishing word in the phrase — it usually maps to a specific root
Summary Cheat Sheet
| Concept / Topic | Key Details / Explanation |
|---|---|
| People & Roles | Most tested OWS category |
| Philanthropist | One who loves mankind |
| Misanthrope | One who hates mankind |
| Narcissist | One who loves oneself excessively |
| Somnambulist | One who walks in sleep |
| Polyglot | One who speaks many languages |
| Bibliophile | One who loves books |
| Philatelist | One who collects stamps |
| Misogynist | One who hates women |
| Atheist ≠ Agnostic | Denies God's existence ≠ uncertain about God's existence |
| Government & Politics | Based on CRACY/ARCHY roots |
| Democracy | Government by the people |
| Monarchy | Government by a king/queen |
| Plutocracy | Government by the wealthy |
| Anarchy | No government; lawlessness |
| Theocracy | Rule by religious leaders |
| Oligarchy | Rule by a small group |
| Gerontocracy | Rule by old people |
| Death & Killing (-cide words) | Prefix = who is killed |
| Suicide / Homicide | Self-killing / killing a person |
| Regicide / Patricide / Matricide | Kill a king / father / mother |
| Genocide | Deliberate mass killing of a race/group |
| Euthanasia | Mercy killing to end suffering |
| Studies & Sciences (-ology words) | Common in all competitive exams |
| Entomology / Ornithology | Study of insects / birds |
| Cardiology / Osteology | Study of the heart / bones |
| Numismatics | Study of coins and medals |
| Palaeontology | Study of fossils |
| Phobias (fear of...) | PHOB = fear |
| Acrophobia | Fear of heights |
| Claustrophobia | Fear of enclosed spaces |
| Agoraphobia | Fear of open spaces |
| Xenophobia | Fear of foreigners/strangers |
| Actions & States | Tested in fill-in-the-blank |
| Indelible | Cannot be erased |
| Inevitable | Cannot be avoided |
| Incorrigible | Cannot be corrected |
| Extempore | Speech given without preparation |
| Epitaph | Words written on a tombstone |
| Anthology | A collection of literary works/poems |
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One Word Substitution
One Word Substitution (OWS) means replacing a phrase or description with a single word. This is a direct question type in IBPS, SBI, SSC, and NABARD exams — you're given a phrase and asked to pick the correct word.
TIP
Strategy: Learn OWS by category (people, places, actions, studies). Most exam questions fall into predictable groups. Master the categories and you'll answer even unfamiliar questions by elimination.
People & Roles
| Phrase | One Word |
|---|---|
| One who loves mankind | |
| One who hates mankind | |
| One who loves oneself excessively | |
| One who can use both hands equally | |
| One who is present everywhere | |
| One who knows everything | |
| One who can do anything | |
| One who walks in sleep | |
| One who eats human flesh | |
| One who speaks many languages | |
| One who does not believe in God | |
| One who is not sure about God's existence | |
| One who collects stamps | |
| One who loves books | |
| One who hates women |
Government & Politics
| Phrase | One Word |
|---|---|
| Government by the people | |
| Government by a king/queen | |
| Government by the wealthy | |
| Government by officials | |
| Government by nobody (lawlessness) | |
| Government by a dictator | |
| Government by religious leaders | |
| Rule by the best or noble | |
| Rule by old people | |
| Rule by a small group |
Death & Killing
| Phrase | One Word |
|---|---|
| Killing of oneself | |
| Killing of a human being | |
| Killing of a king | |
| Killing of an infant | |
| Killing of one's father | |
| Killing of one's mother | |
| Killing of one's brother | |
| Killing of a large group of people | |
| Mercy killing to end suffering | |
| Killing of insects with chemicals |
Studies & Sciences (the "-ology" words)
| Study of | One Word |
|---|---|
| Insects | |
| Birds | |
| Skin diseases | |
| The heart | |
| Bones | |
| Diseases | |
| Weather | |
| Languages | |
| Handwriting | |
| Fossils | |
| Population statistics | |
| Coins and medals |
Phobias (Fear of...)
| Fear of | One Word |
|---|---|
| Heights | |
| Enclosed spaces | |
| Open spaces | |
| Water | |
| Foreigners/strangers | |
| Spiders | |
| Darkness | |
| Death | |
| Fire | |
| Being alone |
Actions & States
| Phrase | One Word |
|---|---|
| Something that cannot be erased | |
| Something that cannot be avoided | |
| Something that cannot be believed | |
| Something that cannot be read | |
| Something that cannot be heard | |
| Something that cannot be conquered | |
| Something that cannot be corrected | |
| Something that lasts a short time | |
| A speech given without preparation | |
| A story of one's own life written by oneself | |
| A person's life story written by another | |
| A collection of poems | |
| Words written on a tombstone |
How to Solve OWS Questions
- Look at root words — Latin/Greek roots reveal meaning (e.g., omni = all, phobia = fear, cide = killing)
- Use elimination — even if you don't know the answer, recognise wrong roots
- Use the Vocabulary Explorer — look up unfamiliar options to verify their exact meaning
- Focus on the key distinguishing word in the phrase — it usually maps to a specific root
Summary Cheat Sheet
| Concept / Topic | Key Details / Explanation |
|---|---|
| People & Roles | Most tested OWS category |
| Philanthropist | One who loves mankind |
| Misanthrope | One who hates mankind |
| Narcissist | One who loves oneself excessively |
| Somnambulist | One who walks in sleep |
| Polyglot | One who speaks many languages |
| Bibliophile | One who loves books |
| Philatelist | One who collects stamps |
| Misogynist | One who hates women |
| Atheist ≠ Agnostic | Denies God's existence ≠ uncertain about God's existence |
| Government & Politics | Based on CRACY/ARCHY roots |
| Democracy | Government by the people |
| Monarchy | Government by a king/queen |
| Plutocracy | Government by the wealthy |
| Anarchy | No government; lawlessness |
| Theocracy | Rule by religious leaders |
| Oligarchy | Rule by a small group |
| Gerontocracy | Rule by old people |
| Death & Killing (-cide words) | Prefix = who is killed |
| Suicide / Homicide | Self-killing / killing a person |
| Regicide / Patricide / Matricide | Kill a king / father / mother |
| Genocide | Deliberate mass killing of a race/group |
| Euthanasia | Mercy killing to end suffering |
| Studies & Sciences (-ology words) | Common in all competitive exams |
| Entomology / Ornithology | Study of insects / birds |
| Cardiology / Osteology | Study of the heart / bones |
| Numismatics | Study of coins and medals |
| Palaeontology | Study of fossils |
| Phobias (fear of...) | PHOB = fear |
| Acrophobia | Fear of heights |
| Claustrophobia | Fear of enclosed spaces |
| Agoraphobia | Fear of open spaces |
| Xenophobia | Fear of foreigners/strangers |
| Actions & States | Tested in fill-in-the-blank |
| Indelible | Cannot be erased |
| Inevitable | Cannot be avoided |
| Incorrigible | Cannot be corrected |
| Extempore | Speech given without preparation |
| Epitaph | Words written on a tombstone |
| Anthology | A collection of literary works/poems |
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