Table of Contents
We all know that learning and memorizing English vocabulary is one of the biggest challenges for any competitive exam. Whether you are preparing for SSC, Banking, Defence, or CUET, practicing synonyms, antonyms, phrases and idioms, one-word substitutions, etc., is essential for preparing for the English section.
Therefore, many aspirants keep searching for a complete book that clearly explains vocabulary and also matches the exam pattern. Samudramanthan of Vocabulary by Rani Singh perfectly fills this gap.
This book not only includes a list of words and their meanings, but it is also a carefully designed, exam-focused guide that teaches vocabulary through concepts, root words, and memory-based techniques.
So, let’s do an honest review of this book and see if it is good in terms of content, quality, and usability and whether it truly helps in preparation.
Quick Overview
- Title: Samudramanthan of Vocabulary
- Author: Rani Singh
- Publisher: RS Publication
- Edition: Revised Edition 2025 (Covers Latest Pattern till 2025)
- Pages: 490
- Best for: SSC (CGL, CHSL, MTS, CPO, STENO), Banking, Defence (NDA, CDS, AFCAT), CUET and Other Competitive Exams.
This book has been meticulously designed by renowned English Educator Rani Singh Mam, whose YouTube channel, English With Rani Mam (with over 2.7 million learners), is highly popular. It contains over 10,000 vocabulary-based questions covering everything from root words to idioms and phrases. Therefore, this book is considered a complete resource for improving English vocabulary.

About the Author – Rani Singh
Rani Singh Mam is one of India’s most respected English educators. Her clear and engaging teaching style has made grammar and vocabulary easy for thousands of students.
Students appreciate her for her simple explanations, humor, and strong understanding of the exam pattern. Her teaching approach focuses not just on memorizing words, but on using them correctly.
This practical approach is evident in Samudramanthan of Vocabulary. She understands exactly where students struggle, and this is clearly reflected in the book.
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What the Book Covers
The Samudramanthan of Vocabulary by Rani Mam book is a complete package for building and strengthening your vocabulary. It covers:
🟢 Root Words: The book shows how words are formed and what their meanings are. For example, the root word ‘bene’ means ‘good’, which helps you easily remember words like benefit or benevolent.
🟢 Synonyms and Antonyms: This book provides synonyms and antonyms arranged topic-wise with plenty of practice questions.
🟢 Homonyms / Confusing Words: These are words that look or sound similar but have different meanings. Aspirants often get confused with these words and make mistakes in exams.
🟢 Idioms & Phrases: This book provides a massive collection of 1900+ idioms and phrases, divided thematically. These frequently appear in Tier 1 and Tier 2 exams.
🟢 One Word Substitutions: You get over 1100 one-word substitution questions in this book, arranged category-wise for easy learning.
🟢 Phrasal Verbs and Fixed Prepositions: This book also includes Phrasal Verbs and Fixed Prepositions, helping you understand how words naturally fit into a sentence.
🟢 Correct and Incorrect Spellings: This book also includes a section on Correct and Incorrect Spellings (Mis- spelt words). It provides exam-style spelling questions, which help you avoid silly mistakes.
📚 Explore more honest and in-depth book reviews on StudyBlink, your one-stop guide to the best resources for exam preparation.
Best For Whom
This book is perfect for those learners who are:
- SSC Aspirants: Especially those preparing for CGL, CHSL, CPO, MTS, and Stenographer exams. The vocabulary and question style in this book closely match the entire exam pattern.
- Banking & Insurance Exams: This book is very useful for Bank PO, Clerk, and Insurance aspirants to improve their English vocabulary section.
- Defence Exams: This book is also helpful for NDA, CDS, and AFCAT candidates. It’s perfect for practicing idioms, phrasal verbs, and one-word substitutions.
- CUET and Other Students: Students preparing for entrance exams like CUET can build a strong foundation in English vocabulary with this book.
- Beginners to Advanced Learners: The book’s structure is designed in such a way that even beginners can easily start and progress step by step to an advanced level.
In short, this book is very helpful for any aspirant who wants to strengthen their English vocabulary.
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Why This Book Stands Out
- Concept + Practice Format: The book doesn’t just list words; it explains them in detail with meanings, roots, and real-world examples.
- Updated Exam Pattern: The book contains updated content based on the latest trends (up to 2025).
- 10,000+ Practice Questions: With so many practice questions, students can easily test their performance and improve their vocabulary.
- Root-Based Learning: This book allows you to easily learn the meanings of root words, making it easier to remember words and guess the meaning of new words.
- Highly Exam Relevant: Every chapter is designed keeping the current exam pattern in mind.
How to Use This Book Effectively
If you want to improve your vocabulary with this book, you can use it effectively in the following ways:
a) Start with Root Words: Learn 10-15 root-based words daily and practice forming new words from them.
b) Move to Synonyms and Antonyms: Revise daily using flashcards or short quizzes. Plenty of examples are provided in the book for this purpose.
c) Practice Idioms and Phrases Weekly: Pick a theme each week (such as emotions, actions, nature) and revise accordingly.
d) Attempt Chapter-wise Tests: Solve the questions given after each chapter and check your progress.
e) Review and Revise: Mark difficult words and revise them repeatedly before the exam.
f) Use It with Mock Tests: Try using the new words in reading comprehension or essay writing to ensure real understanding.
If you follow these steps, you will make steady progress without feeling overwhelmed.
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Pros of the Book
🟢 Well-structured and exam-oriented
🟢 10,000+ practice questions
🟢 Simple explanations with clear examples
🟢 Thematic arrangement makes memory recall easy
🟢 Covers every important area of vocabulary — roots, idioms, phrases, etc.
🟢 Written by one of India’s most trusted English teachers, Rani Singh
🟢 Affordable and easily available for students
Cons (Minor Areas for Improvement)
🟠 The book is quite detailed, so it might seem a bit lengthy for quick revision.
🟠Some students might prefer to have online practice quizzes included.
🟠 A separate answer key section after each chapter would make it even easier.
These are minor suggestions, not flaws. Future editions can be improved further.
Final Ratings (Out of 5)
| Category | Rating | Remarks |
| Quality of Content | 5.0 ⭐️ | Very detailed and clear explanation |
| Exam Relevance | 5.0 ⭐️ | Perfect match with the latest SSC and government exam pattern |
| Simplicity | 4.8 ⭐️ | Easy to understand and follow |
| Practice Material | 5.0 ⭐️ | Excellent variety and quantity |
| Design & Layout | 4.5 ⭐️ | Neat design, slightly text-heavy |
| Value for money | 5.0 ⭐️ | Excellent investment for serious learners |
Overall Rating: 4.9 / 5 – A must-have vocabulary book for competitive exam preparation.
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Final Verdict
Samudramanthan of Vocabulary by Rani Singh is not just a simple vocabulary book, it’s a complete learning resource for competitive aspirants. Rani Mam’s in-depth exam knowledge and years of teaching experience are evident in every chapter and in the way she has designed this book.
The biggest strength of this book is that it doesn’t just tell you the meaning of a word, but also explains the reason behind it in detail. I believe that whether you are a beginner or an advanced learner, this book will help you grow at every level.
With its root-based approach, exam-style questions, and practical explanations, this book stands out from all the other vocabulary books available in the market. It’s a smart, well-researched, and student-friendly book that you will enjoy reading.
If you are preparing for SSC, Bank, or Defence exams and English vocabulary is a weak point for you, then this book can transform your study style. It makes learning easy, interesting, and long-lasting.
Verdict: Highly Recommended
Every serious aspirant should have this book on their table. It doesn’t just teach vocabulary—it gives you confidence and a lasting command over the English language.
Hi, I’m Sangeeta Kalita — an SSC-qualified candidate and currently preparing for the UPSC exam. I’ve always believed that the right books can make a big difference in exam preparation. Here on StudyBlink, I review competitive exam books based on my personal experience and preparation journey, so that aspirants can choose the best resources for themselves.