Vocabulary

🟢 Lite — Quick Review (1h–1d)

Rapid summary of Vocabulary for NDA GAT paper.

The NDA GAT paper allocates roughly 20–25 questions to Vocabulary, making it the second-largest component of the English section after Grammar. Success here depends on knowing root words, common idioms, frequently confused word pairs, and defence-specific terminology.

High-Yield Vocabulary Areas for NDA:

1. One-word substitutions — learn 100+ common ones (NDA 2022 asked: A person who collects stamps → philatelist)
2. Synonyms and antonyms — focus on words appearing in previous NDA papers (benevolent, resilient, pragmatic, ambiguous)
3. Idioms — at least 30 commonly tested idioms
4. Root words — scrib/script (write), port (carry), dict (speak), ject (throw), duc/duct (lead)
5. Spelling correction — 10 commonly misspelled words

Exam Tip: In analogy questions, identify the relationship first (cause-effect, worker-tool, part-whole). In contextual meaning questions, read the full sentence before selecting. Words with multiple meanings are common traps.

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🟡 Standard — Regular Study (2d–2mo)

For students who want genuine understanding of Vocabulary for NDA.

One-Word Substitutions — Examples from NDA Syllabi

These consolidate meaning efficiently — a favourite device in NDA papers:

• One who abstains from alcohol → teetotaller
• A word that has the same meaning as another word in the same language → synonym
• A place where weapons are stored → arsenal/armoury
• Study of ancient weapons → armourics
• A person who fights for a cause without pay → mercenary (actually paid fighter — for no pay use volunteer)
• Fear of confined spaces → claustrophobia
• Fear of heights → acrophobia
• Killing of oneself → suicide (not to be confused with homicide)
• To make something lower in rank → demote (not debase)
• A formal written statement of truth → affidavit
• Government by one person → autocracy/monarchy
• Government by the wealthy → plutocracy
• A disease that spreads across countries → pandemic (epidemic = country/region; endemic = constant in an area)

Synonyms and Antonyms — Frequently Tested Words

NDA examiners repeatedly test words from administrative, diplomatic, and defence contexts:

Word	Synonym	Antonym
Ambitious	aspiring,目标导向	unassuming
Benevolent	kind, charitable	malevolent, cruel
Capricious	fickle, unpredictable	steadfast
Diligent	hardworking, industrious	lazy, negligent
Eloquent	articulate, expressive	inarticulate
Facetious	flippant, frivolous	serious, earnest
Gregarious	sociable, outgoing	introverted
Hasten	hurry, accelerate	delay, retard
Illicit	illegal, unlawful	legal, legitimate
Juxtapose	place side by side	separate

Idioms and Phrases — With Meanings and Examples

• At stake — at risk, in danger: The lives of the hostages are at stake.
• At large — at liberty, in general: The terrorist is still at large.
• Break the ice — initiate conversation, ease tension: She told a joke to break the ice at the meeting.
• Bite the bullet — endure pain/difficulty bravely: The army had to bite the bullet during the long deployment.
• Burn the midnight oil — work late into the night: Officer cadets often burn the midnight oil before exams.
• By and large — on the whole, generally: By and large, the recruitment drive was successful.
• Call it a day — stop work/activity: After 12 hours of rescue ops, the team called it a day.
• Cut to the chase — get to the point: Skip the details and cut to the chase.
• Die in harness — die while still in service: He died in harness, serving the nation at 52.
• Easier said than done — more difficult to do than to talk about: Reforming the force is easier said than done.
• Face the music — accept consequences: The officer had to face the music after the inquiry.
• Get a raw deal — be treated unfairly: Veterans often complain of getting a raw deal in promotions.
• Hand in glove — in close cooperation (often for wrongdoing): Corrupt officials worked hand in glove with contractors.
• In the saddle — in control/position of authority: The new Chief of Army Staff is firmly in the saddle.
• Lions and tigers — lions (Indian cricket team), tigers (Madhya Pradesh state animal); also used in Lion’s share = biggest portion
• Make ends meet — have just enough money: A soldier’s salary should help families make ends meet.
• Once in a blue moon — very rarely: Such incidents occur once in a blue moon.
• On the cards — possible, likely: A revision of pay scales is on the cards.
• Riding high — experiencing success: The government is riding high in the polls.
• To all intents and purposes — in every practical sense: To all intents and purposes, the operation was a success.
• Under fire — being criticised/attacked: The defence minister came under fire over the budget.

Root Words — Building Blocks of English Vocabulary

Understanding Latin and Greek roots lets you decode unfamiliar words:

Root	Meaning	Example
port	carry	transport, export, portable, deport
dict	say, speak	dictate, predict, contradict, verdict
scrib/script	write	scribble, prescription, inscription, manuscript
ject	throw	reject, project, inject, trajectory
duc/duct	lead	conduct, induce, deduce, aqueduct
vert/vers	turn	reverse, convert, adverse, versatile
spect	look	inspect, respect, spectacle, spectator
cap/capt	take, seize	capture, capable, capacity, captive
tract	pull, draw	tractor, attract, distract, contract
rupt	break	rupture, erupt, bankrupt, disrupt
ced/cess	go, proceed	process, recede, exceed, succession
fac/fact	do, make	factory, manufacture, facility
loc	place	local, location, allocate, locomotive
phon	sound	telephone, phonetic, symphony
bio	life	biology, biography, antibiotic

Analogies — Types and Solving Techniques

Analogies test your ability to identify relationships. Common types in NDA:

1. Synonym-antonym analogy: Whisper : Speak :: Saunter : Walk
2. Worker-tool analogy: Surgeon : Scalpel :: Writer : Pen
3. Part-whole analogy: Finger : Hand :: Leaf : Tree
4. Cause-effect analogy: Fire : Burn :: Rain : Flood
5. Degree analogy: Warm : Hot :: Cool : Cold
6. Male-female analogy: Lion : Lioness :: King : Queen
7. Country-capital analogy: India : New Delhi :: Pakistan : Islamabad

Solving technique: First, identify the relationship between the first pair. Then find the pair with the same relationship. Eliminate options systematically.

Words Often Confused

Word	Meaning	Usage
Affect (v)	to influence	Exercise affects health.
Effect (n)	result	The effect was immediate.
Adapt (v)	adjust to new conditions	Soldiers adapt quickly.
Adopt (v)	take up, accept	Adopt new strategies.
Principal (adj/n)	main, head	The principal objective; The school principal
Principle (n)	fundamental rule	A matter of principle.
Stationary (adj)	not moving	The vehicle was stationary.
Stationery (n)	writing materials	Bought new stationery.
Complement (v/n)	complete, go well together	Complementary angles; A complement to the team
Compliment (v/n)	praise	She complimented my uniform.
Desert (n)	arid region; abandon	The Thar desert; He deserted his post.
Dessert (n)	sweet course	Ice cream for dessert.
Council (n)	deliberative assembly	Army Council
Counsel (v/n)	advise; lawyer	Counsel for the defence
Eminent (adj)	well-known, respected	An eminent surgeon
Imminent (adj)	about to happen	Imminent danger
Discreet (adj)	careful, tactful	Be discreet about the matter.
Discrete (adj)	separate, distinct	Three discrete units

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🔴 Extended — Deep Study (3mo+)

Comprehensive theory for Vocabulary mastery in NDA GAT.

Spelling Correction — Commonly Misspelled Words

NDA exams frequently include “spot the correctly spelled word” or “identify the misspelled word” questions:

• Accommodate (2 c’s, 2 m’s: ac-com-mo-date)
• Receive (i before e: re-ceive)
• Separate (a not e: sep-a-rate)
• Occurrence (two c’s, two r’s: oc-cur-rence)
• Conscience (sc: con-science)
• Necessary (one c, two s’s: nec-es-sa-ry)
• Embarrass (two r’s, two s’s: em-bar-rass)
• Maintenance (main-te-nance)
• Privilege (priv-i-lege)
• Perseverance (per-se-ve-rance)
• Harassment (har-ass-ment)
• Acknowledgement (ack-nowl-edge-ment)
• Recommend (re-com-mend)
• Occasion (oc-ca-sion)
• Immediate (im-me-di-ate)
• Foreign (for-eign)
• Neighbour (nei-ghbour)
• Rhythm (rhythm has no vowels in classical sense: r-h-y-t-h-m)
• Conscientious (con-sc-i-en-ti-ous)

Defence and Administrative Vocabulary — NDA Specific

NDA aspirants must know these terms that frequently appear in comprehension passages and vocabulary questions:

• Insubordination — defiance of authority; punishable under the Army Act
• Court martial — military court for trying service personnel
• Mutinous — rebellious against authority
• Conscription — compulsory military service
• Strategic — relating to overall war/combat planning
• Tactical — relating to specific battles/manoeuvres
• Intelligence — information gathered for military purposes
• Reconnaissance — aerial/ground survey of enemy territory
• Amphibious — operations involving both land and sea
• Aerial — relating to aircraft
• Logistics — management of troops and supplies
• Casualty — military person killed/injured in action
• Manoeuvre — planned movement of troops/ships
• Deterrence — prevention of action through fear
• Garrison — troops stationed in a fort/town
• Battalion — unit of soldiers, typically 500–1,000
• Regiment — military unit, often 1,000+ soldiers
• Platoon — subunit of a company, typically 20–50 soldiers
• Oath of Allegiance — sworn by every officer on commissioning
• Paramount — supreme, of highest importance
• Hierarchical — arranged in rank order
• Bureaucracy — administrative system of government
• Sanction — official permission/approval; also penalty
• Jurisdiction — official authority to make legal decisions
• Amendment — formal change to a document (e.g., Constitution)

Contextual Meaning — How NDA Tests It

NDA papers often give a sentence with an underlined word and ask for its meaning in that context. This tests whether you understand polysemous words (words with multiple meanings):

• The officer was posted to the东北 frontier. (东北 = northeastern; contextually “posted to the border”)
• The army had to maintain a strategic reserve. (strategic = military importance, not just “planned”)
• The files were classified. (classified = officially secret, not arranged by category)

NDA Exam Pattern for Vocabulary:

Questions types in order of frequency:

1. Synonyms (5–6 questions)
2. Antonyms (5–6 questions)
3. Idioms/phrases (4–5 questions)
4. One-word substitution (3–4 questions)
5. Analogy/completion (3–4 questions)
6. Spelling correction (2–3 questions)
7. Contextual meaning (2–3 questions)

Total: approximately 25 questions worth 100 marks.