Word Wise on Kindle E-ReadersTake your child's reading to the next level with the new Word Wise feature available on thousands of children's titles. Word Wise, available on many popular English language titles, makes it easier to enjoy and quickly understand more challenging books. Short and simple definitions automatically appear above difficult words, so you can keep reading with fewer interruptions. Tap on a word to bring up a simple card with definitions, synonyms, and more. You can adjust the number of hints you see with a simple slider.