The native dictionaries in iOS, which have been around since 2011, let you define words on your iPhone on the fly in Safari, News, Notes, and other apps. But if you read or write in more than just English, you won't be able to see accurate definitions unless you add those other languages to your list of dictionaries manually. For instance, English may be your primary language, but if you're fluent in Spanish, you may also read or write in that language sometimes. To look up an unknown word in Spanish, you would highlight it and then choose "Look Up" from the contextual menu. If you don't have... more
