Dictionary - Merriam-Webster

Contains adsIn-app purchases
4.4
532K reviews
50M+
Downloads
Content rating
PEGI 3
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About this app

Get America’s most useful and respected dictionary, optimized for your Android device. Continuously updated with the newest words and meanings, this is the premier Android app for English language reference, education, and vocabulary building.

And now we’ve added new word games! It’s never been more fun to learn new words and test your vocabulary for everyone from English learners to total word nerds.

The app is free, and supported by ads. To remove ads, a subscription is available.

Offline access: You’ll have complete access to definitions and synonyms whether or not you’re connected. You will need a connection to view illustrations, hear audio pronunciations, and use voice search.

Features:
* New Vocabulary-Building Quizzes: fun, fast quizzes to learn new words or test your vocabulary
* Additional vocabulary-building resources available with in-app purchase
* Voice Search: look up a word without having to spell it
* Word of the Day: learn a new word every day
* Integrated Thesaurus: more than 200,000 word choices with examples of their use
* Example Sentences: understand how a word is used in context
* Audio Pronunciations: voiced by real English speakers, not text-to-speech robots
* Favorite Words and Search History: keep track of the words that are most important to you
* Favorite Word Syncing: share your favorites between devices
* For Tablets: browse the entire dictionary with a scrolling index
Updated on
Jul 7, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Location, App activity and 2 others
This app may collect these data types
Location, Personal info and 3 others
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

4.4
498K reviews
Jon-David Graham
September 2, 2020
This is a great app, not only for definitions but also adding to your vocabulary. An excellent must have tool. I do not have any issues with searching for words or the audio. The games work great, there are ads but it doesn't take a genius to find the "X" and in my opinion the price for an entire year of premium is rather low. I'm not sure when the last time I spent money to buy a dictionary was, but I'm positive I overpaid for it. I would like to leave a big THANK YOU here to the developers.
176 people found this review helpful
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Ari Sa
December 24, 2024
Really useful app. I have only one, but serious complaint: the reference hyperlinks in the results are large and very sensitive, and more often than a care for, while I am trying to scroll down, I touch a link which takes me to another result - another word. I use a Samsung Galaxy S22+. Not sure how, but please address.
403 people found this review helpful
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Robert Biagi
August 18, 2025
Very difficult and frustrating to simply look up a word without the focus going to something else, because the app is very sensitive to touches. As you move down to read a definition, it is very easily activated to go to something else (to another related word or an ad). There is not a way to go back to the word being looked up without starting over and re-entering it. The app is not very user friendly.
39 people found this review helpful
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What’s new

Dictionary updated with new words, and newly revised definitions.

Bug fixes and other small tweaks.