The leading American dictionary, now optimized for Android.

Experience America's most trusted and useful dictionary, perfectly designed for your Android device. Stay current with the latest additions to the English language—this app is the ultimate resource for English language reference, learning, and vocabulary expansion.

We've also integrated exciting new word games! Learning new words and testing your vocabulary is now more engaging than ever, catering to everyone from English language learners to seasoned word enthusiasts.

This app is free and ad-supported. An ad-free subscription is available.

Offline Functionality: Access definitions and synonyms anytime, even without an internet connection. Note: An internet connection is required for illustrations, audio pronunciations, and voice search.

Key Features:

• Engaging Vocabulary Quizzes: Fun, quick quizzes to learn new words and test your knowledge.
• Enhanced Vocabulary Resources: Additional learning materials available via in-app purchase.
• Convenient Voice Search: Look up words using your voice, eliminating the need for typing.
• Word of the Day: Expand your vocabulary with a new word each day.
• Comprehensive Thesaurus: Over 200,000 word choices with usage examples.
• Contextual Example Sentences: Understand word usage within real-life sentences.
• Native English Speaker Pronunciations: Hear words pronounced by real speakers, not robotic synthesizers.
• Personalized Word Tracking: Save your favorite words and access your search history.
• Cross-Device Syncing: Synchronize your favorite words across multiple devices.
• Tablet Optimization: Enjoy seamless navigation and browsing of the entire dictionary on tablets.