By SenaPrep Defence Team Updated July 2026 10 min read
Cracking the UPSC National Defence Academy (NDA) written examination requires a highly focused preparation timeline. In this comprehensive study guide, our defence education experts analyze the core concepts of NDA vocabulary lists, synonyms antonyms NDA, english GAT vocabulary, outline high-yield preparation tips, and provide step-by-step examples.
Part 1: English grammar and GAT vocabulary
English is the largest subject block in GAT, carrying 50 questions worth 200 marks. The syllabus tests error spotting, idioms, synonyms/antonyms, prepositions, and reading comprehension. Regular revision of active rule lists is essential.
Syllabus Breakdown & Marks Allocation
Subject Segment
Total Questions
Weightage (Marks)
Preparation Priority
Paper 1: Mathematics
120 Questions
300 Marks
Critical (Sectional Cutoff)
Paper 2: GAT (English)
50 Questions
200 Marks
High Yield (4 Marks/Q)
Paper 2: GAT (General Knowledge)
100 Questions
400 Marks
High Scoring (Science & GS)
Part 2: Key Revision Strategies for NDA vocabulary lists, synonyms antonyms NDA, english GAT vocabulary
Success in this topic requires consistent daily practice. Here are the core routines recommended by top defence educators:
Build Foundational Concepts: Rely on Class 11 and 12 NCERT books for math/science topics, and read standard grammar texts for English.
Solve Previous Year Papers (PYQs): Go through at least the last 5-10 years of UPSC question sets to analyze repeat question structures.
Speed & Time Management: Practice mock tests with a timer to improve your answering speed. You have only 75 seconds per math question in the real exam.
Track Weak Areas: Bookmark difficult problems and review your mistake history to continuously raise your score.
Part 3: Practical Questions & Solved Examples
Below is a preview of the type of questions asked by the UPSC. Test your current understanding of NDA vocabulary lists, synonyms antonyms NDA, english GAT vocabulary and review the step-by-step methods:
Use the interactive test panel below to solve live questions pulled directly from the SenaPrep exam bank.
Interactive Practice Quiz
Test your preparation live! Choose an option for each question to see instant feedback and deep step-by-step explanations.
Question 1 of 5 Live App Practice
Idioms and Phrases
Directions: Given below are some idioms/phrases followed by four alternative meanings for each. Choose the most appropriate answer from among the options (a), (b), (c) or (d).
Once-over
Detailed Solution:
Correct Answer
✓ Option (a) is correct. 'Once-over' refers to a rapid inspection or examination.
📖 Rule & Word Origin
The term 'once-over' originates from the concept of giving something a brief, superficial glance or review. It denotes doing something swiftly and is not associated with detailed analysis.
💡 Usage & Examples
Correct Usage: "She did a quick once-over of the documents before the meeting." Incorrect Usage: "He took a once-over look at the artwork carefully." (The idiom implies speed, not carefulness.)
🔍 Option Analysis
A: To do something quickly – Correct Meaning. B: To do something elaborately – Incorrect. Contrasts with 'quickly.' C: To do something perforce – Incorrect. Implies compulsion, not speed. D: To do something for others – Incorrect. Lacks any relation to the idiom.
⚡ Grammatical Traps & Mnemonics
Remember: 'Once-over' emphasizes quickness, not thoroughness. Think of 'over' as covering, done swiftly, like a 'quick sweep' over an area.
📖 Factual Verification & Reference
📖 Factual Verification & Reference:
Verified against Merriam-Webster Dictionary and standard idiomatic usage.
Question 2 of 5 Live App Practice
Synonyms
Directions: Each item in this section consists of a sentence with an underlined word followed by four words. Select the option that is nearest in meaning to the underlined word and mark your response in your answer sheet accordingly.
The sardonic nature of her stories made her stand out among the contemporary writers.
Detailed Solution:
Correct Answer
✓ Option (c) is correct. 'Mocking' captures the essence of 'sardonic'.
📖 Rule & Word Origin
'Sardonic' is derived from the word 'sardonia', a plant believed to induce a grin that has ironic overtones. It implies a tone of disdainfully mocking humor.
💡 Usage & Examples
Correct: "His sardonic remarks often alienated friends." Incorrect: "Her sardonic nature was always welcomed at family gatherings."
🔍 Option Analysis
A: Compassionate - Feeling deep sympathy or concern. Opposite in tone to sardonic.
B: Insightful - Showing deep understanding or perceptiveness; does not convey mocking nature.
C: Mocking - To ridicule or make fun of; closest synonym to sardonic.
D: Comic - Relating to or characterized by comedy; lacks the disdainful aspect.
⚡ Grammatical Traps & Mnemonics
Remember that 'sardonic' relates more to a critical tone, unlike 'comic', which is simply humorous.
📖 Factual Verification & Reference
📖 Factual Verification & Reference:
Definitions verified against Merriam-Webster Dictionary and Wren & Martin English Grammar.
Question 3 of 5 Live App Practice
Synonyms
Directions: Each item in this section consists of a sentence with an underlined word followed by four words. Select the option that is nearest in meaning to the underlined word and mark your response in your answer sheet accordingly.
My daughter is my replica.
Detailed Solution:
Correct Answer
✓ Option b is correct. 'Clone' is synonymous with 'replica'.
📖 Rule & Word Origin
The word 'replica' originates from Latin, meaning 'to reply' or 'duplicate'. It refers to an exact copy or reproduction of something.
💡 Usage & Examples
Correct usage: "This sculpture is a replica of the original." Incorrect usage: "This sculpture is a love of the original." (Here, 'love' does not convey the meaning of 'replica').
🔍 Option Analysis
A: pride - A feeling of deep pleasure or satisfaction. B: clone - An exact copy or duplicate, similar to 'replica'. C: love - A profound affection for someone or something, unrelated to 'replica'. D: original - The first version; not synonymous with 'replica'.
⚡ Grammatical Traps & Mnemonics
Remember, synonyms are words with similar meanings. 'Replica' implies duplication, aligning closely with 'clone'—think of them as 'twins'.
📖 Factual Verification & Reference
📖 Factual Verification & Reference:
Verified against Merriam-Webster Dictionary and Wren & Martin English Grammar.
Question 4 of 5 Live App Practice
Synonyms
Directions: Each item in this section consists of a sentence with an underlined word followed by four words. Select the option that is nearest in meaning to the underlined word and mark your response in your answer sheet accordingly.
She undertook a reconnaissance of the entire issue.
Detailed Solution:
Correct Answer
✓ Option (c) is correct. It is the nearest synonym to "reconnaissance."
📖 Rule & Word Origin
The term "reconnaissance" originates from the French word 'reconnaître' meaning 'to recognize' or 'to observe'. It conveys the idea of a preliminary survey to gather information, particularly in military contexts.
💡 Usage & Examples
Example Sentence: "The army undertook a reconnaissance of the enemy's position to better plan their attack."
🔍 Option Analysis
A: revaluation - The act of assessing the value of something again; not synonymous with reconnaissance.
B: ratification - The formal approval of an agreement; does not relate to investigation.
C: investigation - A careful examination to discover facts; closely aligns with reconnaissance.
D: regularisation - The act of making something regular or lawful; unrelated to the context.
⚡ Grammatical Traps & Mnemonics
Remember that 'reconnaissance' involves exploration and investigation. A mnemonic to recall is "Recon & Con" – think of it as recognizing and confirming information about a subject.
📖 Factual Verification & Reference
📖 Factual Verification & Reference:
Verified against standard English vocabulary references, including Merriam-Webster Dictionary.
Question 5 of 5 Live App Practice
Synonyms
Directions: Each item in this section consists of a sentence with an underlined word followed by four words. Select the option that is nearest in meaning to the underlined word and mark your response in your answer sheet accordingly.
Arrogance is a hallmark of his nature.
Detailed Solution:
Correct Answer
✓ Option C is correct. Conceit closely aligns with arrogance.
📖 Rule & Word Origin
The term "arrogance" refers to an attitude of superiority manifesting in an overbearing manner. It derives from the Latin word "arrogare," meaning "to claim for oneself."
💡 Usage & Examples
Correct: "His arrogance made him unpopular among his peers."
Incorrect: "Her arrogance made her very humble." (Incorrect usage: "arrogance" implies a sense of superiority, not humility.)
🔍 Option Analysis
A: concern - a feeling of worry or anxiety about something.
B: unpretentiousness - a lack of pretension; simplicity and humility.
C: conceit - excessive pride in oneself; a synonym for arrogance.
D: simplicity - the state of being simple; not complicated or complex.
⚡ Grammatical Traps & Mnemonics
Remember, both "conceit" and "arrogance" relate to self-importance; think of "conceited" as being caught up in one's own reflection, reflecting arrogance.
📖 Factual Verification & Reference
📖 Factual Verification & Reference:
Verified against Merriam-Webster Dictionary and advanced English vocabulary resources.
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