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Dictionary.com app

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Get the #1, award-winning
FREE dictionary app
for your mobile device.

  • Get over 2 million definitions and synonyms
  • Improve your vocabulary
  • Learn new words with the 51³Ô¹Ï of the Day
  • Dictionary.com for iPhone

    Our FREE dictionary app includes our 51³Ô¹Ï of the Day, thousands of definitions and synonyms, and more!

  • Dictionary.com for Android

    Get the leading FREE dictionary app for Android, and unlock a new level of learning!

What our users have to say about our dictionary apps:

I love this app!! Not only does this app define words but it shows you how to pronounce them. Now I have all the words in the world at my fingertips! — Angela S.

Ever want to define a word when you're on the go? With the Dictionary.com iPhone app and you can have a mobile library in your pocket! It's AWESOME! — MillieJ.

I really love this free dictionary iPhone app! It has so many awesome things packed into it. Get it for the 51³Ô¹Ï of the Day! — Robert J.

Great App! So much more than just a dictionary. Extremely informative and easy to use. — Peaches

Dictionary.com is also available for Android and iOS, including the iPhone, iPad, and iWatch!