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Download the essential and most comprehensive dictionary app for dependable definitions at your fingertips. is the leading free English dictionary app for iPhone – with over 2,000,000 trusted definitions and synonyms, the app is designed and optimized for your mobile device.

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
- Content Collections Carousel includes Word Trends, Grammar Tips, Slideshows, and Word of the Day
- Quiz widget - test your vocabulary skills (are you prepping for the SAT?) with our Word of the Day quizzes
- Word origin and history - discover etymology on even the strangest words
- Favorite words and search history - customize your recently searched word list and never forget the newest words you’ve learned
- English Spelling help - not sure how a word is spelled? This app will find it for you
- Local look-ups - take a look at the words searched by location
- Learner’s Dictionary - includes extra information about word usage for English learners
- Optimized for Apple Watch!

What’s New

Version 7.5.15

Word of the Day. Noun. A feature we just made a whole lot better!

While we were at it, we fixed that pesky problem with your frozen favorites list!

Did you buy example sentences? Good news. We've fixed those too!

Ratings and Reviews

4.7 out of 5
2.1K Ratings
2.1K Ratings
G&M Filmmaking ,

Improve use & enjoyment of language, with this perfect blend of conciseness & thoroughness

I use this app all the time, and it’s right at the top of my list of favs (surpassed perhaps only by Blue Letter Bible’s app). I have always loved words, and a mentor once gave me a sage admonition never to use a word I couldn’t define. He insisted it was arrogant. I’ve found his challenge has helped me be more precise in my thinking, humble in my attitude, and appreciative of others’ wordsmithing skills. And it makes learning from others more fun.

Well, this program just facilitates all these. In the world of language, it allows for real-time, “point of care” use and learning. I’ve looked up things while in hospital meetings (I’m a physician), while waiting in line, writing emails or other documents, and writing reviews for iPhone apps. I love the etymology tool, as it helps make definitions and nuances easier for me to remember, and the words themselves more vivid & enriching.

I suggested the app to my son recently, as I’ve found that regardless of what kind of work we do, communication that shows attention to word usage (as well as grammar) captures people’s attention — and rightly so.

If you want to improve your use, understanding and enjoyment of language, I think you’ll find this program very valuable. Strongly recommended!

i dare you to show this ,

Really helpful app

I have to look up words I see or read that I’m not familiar with. It drives me crazy to not know what something means. I have a long list of words to look up and learn which at the time I heard them, I didn’t have time to stop and look up.
I like that I can have the words in question voiced to me also. That’s a big help. And it keeps me from embarrassing myself by pronouncing words incorrectly. I rarely pay for a lot of apps that charge you to get rid of the ad’s, but this one was worth it. It’s very easy to navigate when you’re in the app. I just love having a Dictionary in hand whenever I need one. There isn’t a downside to having this.

Jaab1 ,

Should stick to definitions not opinion

I have really enjoyed this app for the most part. I share the word of the day with a friend almost every morning and we really like it. She is an avid crossword player.
What I find unacceptable is that the extra articles tend to lean on the trendy politically correct or just downright liberal end of the spectrum. Since I'm not one of the millennials it seems to target, I actually know a bit of historical context for many of these articles and it's not as they portray them. It's not "balanced" or objective. I would like to see these little tidbits of interest be just informative not simply opinionated, trendy and vapid. If your going to include these at all do a better job. Or maybe include one of those disclaimers that says this is just an opinion.


Seller, LLC
134.9 MB

Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.



Age Rating
Rated 4+
©, LLC 2017
In-App Purchases
  1. Encyclopedia upgrade Free
  2. Medical Dictionary Upgrade Free
  3. Translator Upgrade Free


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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