Key Takeaways

  • The Kindle's Vocabulary Builder is a free, built-in feature that allows you to save new words while reading and improve your vocabulary.
  • Accessing the Vocabulary Builder is easy, just open any book, click the 3-dot menu, and select Vocabulary Builder.
  • You can use flashcards to cycle through the words in your Vocabulary Builder and learn them more quickly. You can also easily disable the feature if you're not interested.