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Dictionary.com: Find Definitions for English Words
English Words & Vocabulary: Search Dictionary Definitions & Thesaurus Synonyms
- #2 in Best Dictionary Apps
- Editor's Choice
- Feature Rich
- In App Purchases
- 1M+ Reviews
Videos And Screenshots
We’ve got more than 1.5 million definitions and synonyms to help improve your vocabulary, study for the SAT or prep for the ACT, or boost your Words with Friends skills. Install our offline dictionary so you can access words—wherever, whenever.
Get trusted reference content from Dictionary.com and Thesaurus.com designed for English learners:
1. Get help spelling and learning new words: Use voice-search to find dictionary definitions without typing a single word.
2. Discover synonyms and antonyms in the thesaurus: Enhance your ACT or SAT prep.
3. Say new words correctly with in-app pronunciations.
Find definitions, learn spelling, study grammar, and practice pronunciation—all within one app. Explore a host of education features designed to help you pick up new vocabulary, including Word of the Day, language trends, and more.
Want more words? Enhance your Dictionary.com app with our in-app purchases:
Grammar and Tips
Idioms and Phrases
*Unlock all in-app purchases for one, low price by upgrading to the Dictionary.com Premium app!*
Dictionary.com is the leading free English dictionary app for iPhone – with over 2,000,000 trusted definitions and synonyms, the Dictionary.com app is designed and optimized for your mobile device.
Works offline! Install the offline dictionary for access to definitions whenever you need them.
In addition to the trusted reference content from Dictionary.com and Thesaurus.com, 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
- 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!
Get even more from your app with our Upgrades:
- Example Sentences
- Idioms and Phrases
- Medical, Science, Rhyming Dictionaries
- Offline Dictionary + Remove ads
Or you can get all of this additional content and remove ads for one low price with our Pro App.
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