Look up words with over 65,000 entries and 200,000 translations. Tap-and-hold any word to hear it spoken using text-to-speech. Conjugate Spanish and French verbs. Access hundreds of usage notes and examples. No internet connection required.
Look up word definitions, synonyms, and antonyms using WordNet 3. Explore detailed explanations, example sentences, and part-of-speech tags. Search for words by sound or letter. Save favorite words for later review.
Explore Mars images from NASA's Curiosity using camera, date, and sol date filters. View archived photos and learn about Mars time and the mission. Save selected images to your device's photo library. Share photos via email.
Learn and practice travel phrases with audio pronunciations. View phrases in script, phonetic transliteration, and English translation. Categories include greetings, basics, shopping, restaurant, health, and numbers.
Look up words with definitions, pronunciations, and high-definition images. Explore over 8,000 labeled images explained in five languages. View word meanings and learn vocabulary through context.
Search and compare thousands of words and phrases in British Language. View signs on mobile device. Access over 20,000 video entries for visual reference. Look up signs by text or image. Share signs via social media or email.