The only free online and offline dictionary and thesaurus with every word you search for. Millions of definitions from the most trusted sources, including:
Webster’s Dictionary
Roget’s Thesaurus
The dictionary of American heritage
Plus FREE access to:
English offline dictionary
English offline thesaurus with synonyms, antonyms and related words
Word of the day
Medical dictionary
English idioms and slang dictionary
Translations from English into over 40 languages
Dozens of other translation options
+ Much more! Free Dictionary is like getting 100+ dictionaries in an intuitive app.
Find out why we have the best ratings after millions of downloads:
* Find every word you are looking for.
Clear and precise definitions from the best dictionaries: access to online and offline dictionaries.
* Find synonyms quickly.
Free thesaurus with an easy to use interface helps you find the perfect word every time.
* Learn something new every day.
Word of the day
The idiom of the day
+ Other daily content
* Build your vocabulary.
Learn the words you are looking for. With:
Audio pronunciations
Example sentences
Etymologies
+ Plus!
* Explore your favorite topics.
Multiple specialty dictionaries and encyclopedias:
Idioms and slang dictionary
Medical dictionary
Legal dictionary
Dictionary of Sciences
Financial dictionary
Acronyms and Abbreviations
+ Plus!
* Play fun word games.
Spelling Bee, Hangman, Match Up and more.
* See idioms in action.
Play idioms videos inside the app! Animated definitions of words and phrases from idioms and slang dictionary.
* Access dictionaries in 13 other languages:
Spanish dictionary and thesaurus
French dictionary and thesaurus
German dictionary and thesaurus
Italian dictionary and thesaurus
Portuguese dictionary and thesaurus
Russian dictionary and thesaurus
Chinese dictionary
+ Plus!
* Translate English into Spanish, French and over 40 languages.
Or translate other languages into English, plus dozens of other translation options.
* Access dictionaries and encyclopedias from industry-leading publishers with a single search:
McGraw-Hill
Houghton Mifflin
HarperCollins
Random House
Cambridge University Press
Columbia University Press
+ Plus!
Here’s what makes The Free Dictionary the easiest dictionary app to use:
* Define any word in any app. Highlight the word and “share” with The Free Dictionary app.
* Voice search. Search for any word just by saying it.
* Search for any word on the page. Just highlight it and tap the search icon.
* Save thousands of bookmarks and sync them to any device.
* Customize your home page: move, add or remove articles, games and even the local weather.
* Go to Definition, Thesaurus or Translations with a single button.
* Browse the app in over a dozen languages with the multilingual interface.
* Adjust the font size.
* Share your favorite words via social network, email or text.
* Advanced searches.
EXCLUSIVE
* Earn meals for hungry kids thanks to The Free Dictionary’s partnership with the World Food Program, just by using the app!
This is not a trial version – you get everything for free and forever. In the Pro version, additional offline dictionaries are available in other languages.
Sound too good to be true?
Read the real reviews to understand why our users say The Free Dictionary is the best dictionary app they have ever used.
* For app developers: The Free Dictionary app can be accessed from other apps with API calls (contact Farlex for instructions).
