Dictionary and Thesaurus Pro
Dictionary and Thesaurus Pro Summary
Dictionary and Thesaurus Pro is a mobile iOS app in Books And Reference by Farlex, Inc.. Released in Apr 2012 (13 years ago). It has 3.3K ratings with a 4.85★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 18.8K monthly active users . Store metadata: updated Nov 27, 2025.
Recent activity: 30 new ratings this week View trends →
Data tracking: SDKs and third-party integrations were last analyzed on Apr 19, 2025.
Store info: Last updated on App Store on Nov 27, 2025 .
4.85★
Ratings: 3.3K
Screenshots
App Description
Get the world's most comprehensive ad-free dictionary and thesaurus with extensive offline dictionary content and synonyms. Dictionary Pro is the premium version of The Free Dictionary app, featuring:
* No ads.
* A comprehensive English offline dictionary and offline thesaurus.
* Offline dictionaries in 13 other languages.
* Offline translations of English into more than 40 languages.
* Dozens of other offline translation options.
Rated #1 app in the App Store in the paid reference category in 109 countries 2011–2019 (Source: http://www.appannie.com/apps/ios/app/492085918/app-ranking/#device=iphone&type=best-ranks)
Plus TheFreeDictionary's classic app content:
* Find every word you search for. Get results from trusted sources:
Webster's Dictionary
Roget's Thesaurus
The American Heritage Dictionary
+ More than 100 dictionaries and encyclopedias from these top publishers:
McGraw-Hill
Houghton Mifflin
HarperCollins
Random House
Elsevier
+ More!
* Learn the word. Clear definitions, example sentences, etymologies, illustrations, and more.
* Learn how to say it. Play audio pronunciations and hear it pronounced.
* Learn something new. Word of the Day and other fresh daily content.
* Find the perfect synonym fast. East-to-use Thesaurus with synonyms, antonyms, and related words.
* Explore topics in-depth. Multiple specialty dictionaries and encyclopedias:
Medical
Legal
Science
Financial
Idioms
Acronyms and Abbreviations
+ More!
* Watch idioms in action. View idioms videos inside the app and see idioms and slang explained.
* Play word games. Spelling Bee, Hangman, and more.
* Access dictionaries in 13 other languages, including:
Spanish
French
German
Italian
Portuguese
Russian
Chinese
+ More!
What makes Dictionary Pro the most user-friendly dictionary app?
* Instantly look up words in apps or webpages! Just highlight the word you want to look up, tap "Share," then tap "More" in the bottom menu and turn on the "Define" option. You will then see a "Define" icon in the menu. Tap it to see the definition of the highlighted word!
* Voice search. Just say the word to look it up.
* Advanced Search options.
* Look up the definition of any word on the page. Just highlight and tap "Definition."
* Save bookmarks with one tap and sync them to all your devices.
* Customize your homepage: Move, add, or remove articles, games, even local weather.
* Jump