5 April 2025
4 minutes read
400 Must-Have Words for the TOEFL Test

Key Takeaways
- Mastering the 400 must have words for the TOEFL can boost your score by up to 20% across all sections.
- Studying the right words in context—with repetition and practice—helps you retain vocabulary that actually appears on the test.
- Using resources like McGraw-Hill’s guide gives you essential skill-building techniques to prep smarter and score well on the TOEFL.
Did you know that mastering just 400 must have words for the TOEFL can drastically improve your score by up to 20% across reading, writing, and speaking? That’s not fluff, it’s backed by how often certain vocabulary shows up in recent chapters of the best TOEFL prep course. The TOEFL also includes words that aren’t just academic but commonly used in real-world conversations. If you want to work or study abroad, getting these words right can be the game-changer.
Let’s be brutally honest! most students don’t struggle because they don’t study hard. They struggle because they’re studying the wrong way. Memorizing 10 random words a day without context? Doesn’t work. You score well by arming yourself with vocabulary that’s actually tested. These 400 must have words are created to be easy to remember, effective in real use, and give you the essential skill-building techniques that matter not just in TOEFL, but also at work, for privacy, security, and beyond.
Essential Vocabulary for TOEFL Success
The TOEFL (Test of English as a Foreign Language) test is a crucial exam for students who wish to study in English-speaking countries. A significant part of the test involves understanding and using a wide range of English vocabulary.
Therefore, it is imperative to arm yourself with the 400 must-have words for the TOEFL test. This carefully curated list includes the most commonly used words in the English language that will help you score well on the TOEFL test.

It is not just a random collection of words, but a list of essential terms that you may encounter during the TOEFL test, classroom activities, and everyday conversations. Each word in the list is accompanied by a detailed description, synonym, and example sentence to help you understand its usage and incorporate it into your daily language.
Comprehensive Learning with McGraw-Hill Education
The McGraw-Hill Education 400 Must-Have Words for the TOEFL, 2nd edition, is a valuable resource for students preparing for the TOEFL test. This book not only provides the list of 400 must-have words but also includes exercises and activities that will help you practice and reinforce your learning.
The TOEFL test also includes identifying prefixes and suffixes, understanding the context, and using words appropriately. Therefore, it is crucial to have a comprehensive guide that not only provides the vocabulary but also offers essential skill-building techniques and strategies.
The McGraw-Hill Education 400 Must-Have Words for the TOEFL, 2nd edition, guides you step by step through the essential skill-building techniques and strategies created by leading ESL educators. This book gives you the tools you need to improve your score, whether you are a new student or wish to enhance your existing score.
The book is updated and expanded with additional exercises and practice tests to help you put the information into practice. It also includes a free online resource with extra exercises, TOEFL practice tests, and a list of commonly used words in the TOEFL test. This comprehensive guide is available for free to read and share online on VK and other platforms.
How to Study the 400 Must-Have Words for Maximum Retention
Studying smarter, not harder, is the key here. The 400 must-have words aren’t just random terms, they’re carefully chosen by the creator to reflect what actually appears in the test. Learning these words for the TOEFL helps you grasp context, improve fluency, and ultimately score well on the TOEFL.

More importantly, it helps you get essential skill-building techniques that stick. Here’s how to make it all work:
- Break it down by chapters: Study 10–15 words at a time instead of cramming all 400.
- Use the words in real sentences: Context-based learning helps you retain better.
- Review consistently: Spaced repetition is underrated—but insanely effective.
- Practice with TOEFL-style questions: This shows you how each word may appear in the test.
- Teach someone else: Explaining a word reinforces it far more than just memorizing.
Remember, mastering the right words for the TOEFL helps you prep efficiently—and TOEFL helps you score well only when your vocabulary is real-world ready.
Sample Words from the 400 Must-Have List with Meanings and Examples
To truly score on the TOEFL, it’s not enough to just recognize words—you need to understand them, use them, and remember them. The 400 must have words for the TOEFL are carefully selected to appear in common reading, listening, and speaking contexts.
Here’s a small sample from the list to help you get started the right way:
Word | Meaning | Example Sentence |
---|---|---|
Allocate | To distribute or assign for a purpose | The government allocated funds to improve public education. |
Decline | To decrease or reduce | The population of the island declined after the natural disaster. |
Impact | A strong effect or influence | Technology has a major impact on how we communicate today. |
Sustainable | Capable of being maintained over time | We need sustainable solutions for long-term environmental health. |
Emerge | To come into view or become known | A new leader emerged after the election results were announced. |
Conclusion
Scoring well on the TOEFL test is essential for students who wish to study in English-speaking countries. The 400 must-have words for the TOEFL test is a comprehensive guide that provides essential vocabulary, detailed descriptions, strategies, and exercises that will help you improve your score and English language skills. Arm yourself with this invaluable resource and take a step closer to achieving your academic goals.
Don’t just memorize, master the TOEFL with expert-backed tools, personalized vocabulary plans, and AI-powered support at Ambitio. Join thousands of students who are building stronger profiles, getting into top universities, and scoring higher, one word at a time.
FAQs
What is the TOEFL test?
The TOEFL (Test of English as a Foreign Language) test is an exam that assesses your English language proficiency. It is a requirement for students who wish to study in English-speaking countries.
Why are the 400 must-have words important for the TOEFL test?
These words are commonly used in the TOEFL test, classroom activities, and everyday conversations. Understanding and using these words will help you score well on the TOEFL test.
Where can I find the 400 must-have words for the TOEFL test?
The McGraw-Hill Education 400 Must-Have Words for the TOEFL, 2nd edition, provides a comprehensive list of 400 must-have words, along with detailed descriptions, strategies, and exercises. It is available for free to read and share online on VK and other platforms.
Why are these 400 words considered essential?
They are frequently encountered in TOEFL tests and academic settings.
Are there online resources or practice tests available?
Updated editions include free online resources with additional exercises.
Can it be used for self-study or classroom preparation?
Yes, it is suitable for both self-study and classroom use.
What additional features does the book offer?
It includes test-taking strategies and bonus structures for reinforcement.

You can study at top universities worldwide!
Get expert tips and tricks to get into top universities with a free expert session.
Book Your Free 30-Minute Session Now! Book a call now