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in top
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For a dictionary and thesaurus in one, this app has voice search, translations, and much more.


by, LLC
FREE in the App Store Dictionary & Thesaurus provides an array of useful features such as voice search, audio pronunciation, translator, quiz widget, word history, favorites, spelling help, and a word of the day, creating an all-inclusive package.

Apple Watch
Dictionary Apple Watch App
Dictionary Offers Apple Watch App
Check the details on WatchAware

What is it about? Dictionary & Thesaurus is the perfect app for those who want both references in one. The extensive features make this app a definite must-have if you look up and search for words often. Use the voice search for look-ups on the go, check out the quiz widget to test your knowledge, translate words into over 25 languages, and save your favorites so they are always at hand.

For those who...

  • Need a dictionary and thesaurus in one app
  • Want a word reference with extensive features

Not for those who...

  • Prefer your current dictionary and thesaurus app
  • Do not want an app that includes both references

Why we love it

For definitions, synonyms, word history, and more, Dictionary & Thesaurus is a superb reference. Find a word, learn a new one, and translate into other languages, all with one simple app.

App Screenshots screenshot-0 screenshot-1 screenshot-2 screenshot-3 screenshot-4

App Details

Reference Education
Last updated
January 17, 2018
Release date
April 7, 2009
More info

Dictionary is FREE but there are more add-ons

  • $2.99

    Example Sentences Upgrade

  • $3.99

    100 Voice to Text Searches

  • $2.99

    Encyclopedia upgrade

  • $2.99

    Medical Dictionary Upgrade

  • $1.99

    Remove Ads Upgrade

  • $0.99

    300 Voice to Text Searches

  • $1.99

    Grammar & Tips Upgrade

  • $1.99

    Rhyming Dictionary Upgrade

  • $0.99

    Translator Upgrade

  • $1.99

    Idioms & Phrases Upgrade

App Store Description

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 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!

Get even more from your app with our Upgrades:
- Example Sentences
- Encyclopedia
- Idioms and Phrases
- Medical, Science, Rhyming and Slang 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.