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Download the essential and most comprehensive dictionary app for dependable definitions at your fingertips. is the leading English dictionary app for iPhone – with over 2,000,000 trusted definitions and synonyms and designed and optimized for your mobile device.’s Premium app now includes ALL of our content and Upgrades (over 3,400,000 fun and helpful entries) for just one low price. It’s also ad-free!

Works offline! Install the free offline dictionary for access to definitions whenever you need them.

In addition to the trusted reference content from and, this app includes:
- Word of the Day – learn a new word each day and expand your vocabulary
- Audio pronunciations – never mispronounce another word
- Voice search – find the definitions you’re looking for anywhere, anytime
- Favorite words and recent search history - customize your recently searched word list and never forget the newest words you’ve learned
- Translator – translate into over 25 languages
- New Content Collections Carousel includes fresh content from our Blog, Slideshows and Word of the Day
- Quiz widget - test your vocabulary skills with our Word of the Day quizzes
- Word origin and history - find out where even the strangest words come from
- Spelling suggestions - not sure how a word is spelled? This app will find it for you
- Local lookups - see which words are being searched near you
- Advanced learner’s dictionary - includes extra information about word usage for English learners
- Optimized for Apple Watch!

What's New in Version 6.0.2

- Added compatibility for iOS 9 and watchOS 2
- New support for video content
- Bug fixes

iPhone Screenshot

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Apple Watch

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Customer Reviews

Great dictionary

Great app. Works like a key. It's never let me down and I've had this app for years. Exceeds my expectations for when it comes to having an entire dictionary in my pocket. Brings a broad vocabulary for synonymous. Has many perks, especially when you upgrade. Only thing I would change would be the ability to swipe left and right between words as if I were on a browser going between webpages. Regardless, everything else is great.

Second Best APP on my IPHONE

Love getting word of the day. I've had this APP for several years now. I did pay extra to upgrade. I use it everyday. I'm a writer and a little nuts having to spell everything correctly. Also, I love learning new words. I highly recommend this APP and pay the few bucks more. The brain is worth constantly expanding

Love the app!

I've listened to so many books since I discovered this nearly 5.5 years ago. Much better than listening to the radio or the news. I have been able to listen one book at least every 10 days.

Wish list: option to group books or to make collections. Dictionary & Thesaurus Premium
View In iTunes
Offers Apple Watch App for iPhone
  • $3.99
  • Category: Reference
  • Updated:
  • Version: 6.0.2
  • Size: 46.1 MB
  • Apple Watch: Yes
  • Languages: English, French, German, Italian, Japanese, Portuguese, Simplified Chinese, Spanish, Traditional Chinese
  • Seller:

Compatibility: Requires iOS 7.0 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

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