Welcome to Vocabulary.com.

The most intelligent way to improve vocabulary.

Vocabulary.com combines the world's smartest dictionary with an adaptive learning game that will have you mastering new words in no time.

Look up a word, learn it forever.

Don’t just memorize. Achieve mastery.

Ditch the flash cards and stop memorizing definitions. Vocabulary.com teaches you words by systematically exposing you to a wide array of question types and activities that will help you understand all the meanings and nuances of every word you’re learning.

Even after you’ve achieved mastery, we’ll continue to reinforce what you have learned to make sure that it all stays fresh in your memory.

Get the lowdown on every word.

Look up a word in our dictionary — you’ll read a friendly explanation that you'll actually remember. It’s as if your favorite teacher were explaining the word to you.

Clever usage tips and real-world examples show you how words live in the wild so you’ll be more confident using them yourself.

See a word you’d like to know better? Click "Learn this Word" and add it to your learning program.

Start playing.

We’ll get to know you.

As you play Vocabulary.com, we figure out which words you know and which ones you need a little help with. We keep practicing with you until you master the tough ones.

Let us know which words you want to focus on, and we’ll prioritize those.

As your vocabulary grows, Vocabulary.com grows with you.

Vocabulary.com is a platform for lifelong learning, growing with you every step of the way. As you improve, the words that you learn will become more and more advanced. And, with our easy-to-use progress-monitoring tools, you can always look back to see how far you’ve come.

Who loves Vocabulary.com?

Students.

Whether you’re studying to ace tomorrow’s quiz, prepping for the SAT, or looking to speak and write more eloquently, Vocabulary.com can help.

I took the PSAT on Wednesday and the vocabulary section was a breeze. Keep doing what you do, your website has helped me so much! High School Student, Lewistown, PA

Educators.

Give your students the ability to attack the texts they encounter in the classroom, and the gift of a vocabulary that will open doors for a lifetime. Learn more.

Vocabulary.com is everything that I’ve always wanted: it engages my students, it is dynamic, it leads to understanding by explaining word definitions, it champions retention by constantly revisiting words, and, perhaps most importantly, it’s fun. Middle School Teacher, Rochester, NY

Everyone.

You don’t have to be in school to use Vocabulary.com. Millions of people play, learn new words, and compete on our leaderboards just for fun.

It’s time to ditch Candy Crush for something that makes you sound smarter instead of dumber. Fast Company Magazine

We hope you love Vocabulary.com too. Sign up, it’s free.

It’s a science.

Vocabulary.com may seem simple on the outside, but behind the scenes we’re using sophisticated algorithms to help you learn over 15,000 words more effectively.

How? We start with our massive pool of over 220,000 questions. Then, we use the science of learning to model how you learn (and forget) new words.

By comparing your answers to the hundreds of millions of answers given by other Vocabulary.com users, we personalize your learning experience and choose the best question for you at just the right time.

It’s a game.

Sure, there’s a lot of science and technology muscle behind our system, but expanding your vocabulary doesn’t have to be a brain-buster.

We’ve turned learning vocabulary into an addictive game. Accumulate points, achievements, and badges while competing against your friends, your classmates, or other members of the Vocabulary.com community. You may not even notice that you’re learning along the way.

Learn the words you’ll need to know.

You choose...

Studying for an exam like the SAT, GRE, or TOEFL? We have over 50,000 ready-to-learn vocabulary lists — everything from standardized tests to classic literature, breaking news — you name it.

Just want to ace tomorrow’s vocabulary quiz? Create your own list of words to study. Vocabulary lists are easy to make, share, and learn.

Or, let us choose...

Don’t have a specific list in mind? Let our adaptive learning system find the right words for you.

Play a few questions and we’ll zero in on key academic words that are appropriate for your level. Once we get to know you, we won’t waste your time on words that are too easy or too hard.

Either way, you’ll improve.

Like a good coach, Vocabulary.com won’t give up on you. Whether you pick the words or let us find them for you, we’ll work with you until you’ve mastered them.

And even after you’ve achieved mastery, we’ll continue to reinforce what you have learned to make sure that it all stays fresh in your memory.

Your vocabulary follows you everywhere.

We’re with you on any device. It doesn’t matter what you’re using: Vocabulary.com works on desktop, tablet, and mobile.

It’s all connected. Your progress will seamlessly carry over if you switch from one device to another.

What are you waiting for? It’s free. Get started now. Sign Up

See your students learning.

Discover a better way to teach vocabulary.

What are you doing to systematically improve your students’ vocabulary?

With Vocabulary.com, your students independently learn the words they need to know for deeper reading, clearer writing, and sharper thinking. Your Teacher Dashboard provides you with the helpful insights you need to target your instruction toward the concepts that need more teaching, and the students who need more support.

Learn more about our Educator Edition

Learn about our Educator Edition

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.