National Defence Academy (UPSC)

NDA English Vocabulary 2026 – High-Yield Word Lists, Root Words & Solved MCQs

In the UPSC National Defence Academy (NDA & NA) examination, Part A of the General Ability Test (GAT) consists entirely of English, carrying 200 marks across 50 questions. Over 60% of these questions directly test vocabulary through Synonyms, Antonyms, and Idioms.

The Weightage of English in UPSC NDA

The NDA written examination comprises two papers: Mathematics (300 marks) and General Ability Test (600 marks). In the GAT paper:

Standard Topic Distribution in NDA English (50 Questions)

Topic Question Count Marks Focus Area
Synonyms 10 Questions 40 Marks Direct sentence-underlined vocabulary substitution
Antonyms 10 Questions 40 Marks Finding opposite meanings in context
Idioms & Phrases 10 Questions 40 Marks Metaphorical meaning of common and formal idioms
Spotting Errors 10 Questions 40 Marks Core grammar (subject-verb agreement, prepositions, tenses)
Ordering of Words (PQRS) 10 Questions 40 Marks Arranging jumbled sentence segments logically

High-Frequency NDA Vocabulary Words

Below is a curated selection of words frequently tested in recent NDA I and NDA II examination cycles:

Word Meaning Synonyms Antonyms NDA Exam Example
Audacious Showing a willingness to take surprisingly bold risks Daring, intrepid, valiant Timid, cowardly, cautious The commando unit executed an audacious raid behind enemy lines.
Bellicose Demonstrating aggression and willingness to fight Belligerent, pugnacious, hostile Peaceable, conciliatory, amicable The rogue commander adopted a bellicose posture during the summit.
Candid Truthful, straightforward and frank Outspoken, forthright, sincere Deceitful, evasive, disingenuous The cadet offered a candid assessment of the leadership simulation.
Diligent Having or showing care and conscientiousness in one's work Assiduous, meticulous, painstaking Indolent, lethargic, negligent His diligent preparation earned him top honors in the academy rankings.
Ephemeral Lasting for a very short time Transient, fleeting, evanescent Permanent, enduring, perpetual Fame in military history is rarely ephemeral when achieved through valor.
Formidable Inspiring fear or respect through being impressively large or powerful Intimidating, redoubtable, daunting Weak, feeble, unimpressive The squadron encountered a formidable defensive fortification.

Solved Representative NDA Practice Questions

Test your retention against questions formatted in the exact UPSC NDA style:

Question 1 (Synonyms in Context)

The young officer was commended for his intrepid conduct during the rescue operation.

  1. timid
  2. fearless
  3. hesitant
  4. reckless

Correct Answer: (B) fearless

Explanation: Intrepid means absolutely fearless, courageous, and resolutely bold. Timid and hesitant are antonyms. Reckless implies carelessness without prudence, whereas intrepidity represents honorable courage.

Question 2 (Antonyms in Context)

His arrogant demeanor alienated him from fellow squadron members.

  1. haughty
  2. humble
  3. pompous
  4. boastful

Correct Answer: (B) humble

Explanation: Arrogant means having an exaggerated sense of one's own importance or abilities. The exact opposite (antonym) is humble (modest). Options A, C, and D are synonyms.

Question 3 (Idioms & Phrases)

During the tactical briefing, the flight lieutenant advised the pilots to keep their powder dry.

  1. remain prepared for any imminent action
  2. avoid contact with water
  3. waste military ammunition
  4. retreat from hostile airspace

Correct Answer: (A) remain prepared for any imminent action

Explanation: To keep your powder dry is a historical military idiom meaning to remain calm, alert, and thoroughly prepared for immediate action or confrontation.

High-Yield Root Word Strategy for Defence Aspirants

Prefix 'MAL-' (Bad/Evil): Malicious (spiteful), Malevolent (wishing evil), Malignant (harmful/deadly), Maladroit (clumsy/inept).

Prefix 'BELL-' (War/Fight): Bellicose (eager to fight), Belligerent (engaged in war), Rebellion (defying authority).

Prefix 'BEN-/BENE-' (Good/Well): Benefactor (supporter), Benevolent (charitable), Benign (gentle/non-harmful).

Practice Vocabulary with Instant Quizzes on Vocabsprint

Reinforce your synonyms, antonyms, and idioms retention with interactive flashcards and timed competitive exam quizzes.

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