Our mission is to delight and inspire anyone using the English language by being the most innovative and comprehensive digital source for everything related to words. We provide resources that help people accurately define, pronounce, and apply words in the moment.
Dictionary.com, an IAC (NASDAQ; IACI) company, is the world’s leading, definitive digital resource for everything word related. We provide over 70 million global monthly users with reliable access to millions of definitions, synonyms, audio pronunciations, example sentences, translations and spellings through our services at Dictionary.com, Thesaurus.com and Reference.com. Our leading mobile applications for reference and education have been downloaded more than 90 million times.
Dictionary.com was launched in 1995, under the name of Lexico Publishing, LLC, and was acquired by IAC in 2008. Currently located in Oakland, CA, it is the most visited, most trusted digital dictionary.
With more than 70 million monthly users worldwide, Dictionary.com is the world's leading and most definitive online dictionary. Our dictionary provides reliable access to millions of English definitions, spellings, audio pronunciations, example sentences, and word origins. In addition to our own team of experienced lexicographers, our content is licensed from trusted and established sources including American Heritage and Harper Collins. Dictionary.com’s main source is based on the Random House Unabridged Dictionary, originally The Century Dictionary, which was published between 1889 and 1891 as one of the most prominent dictionaries in the United States.
The re-envisioned Thesaurus.com contains the first modern update to any thesaurus in over 160 years. It provides users with over 1,000 modern synonyms and a suite of helpful features and tools found only at Thesaurus.com to help people find the perfect word.
The Dictionary.com Word of the Day is enjoyed by 19 million people via our daily email, on our home page and through our 80 million mobile app installs. These words are carefully selected by our editors to help users enhance their vocabulary every day. Educational, comprehensive, useful and fun, our daily words enrich the lexicon and include word origins, definitions, quotes, audio pronunciation and contextual usage. Boost your word bank today and sign up for our daily email here.
The editors at Dictionary.com have redesigned their daily blog to bring you fresh analysis of the English language, its history, its evolution and its potential future. What words have the most meanings? What's wrong with the word literally? Where did the idiom breaking bad come from?
The new Dictionary.com blog is the essential source to stay up-to-date on language trends. Our editors bring a linguistic eye to pop culture with vibrant insights framed by scholarly investigation. Now with infographics, round-ups of language news, guest blog posts, and more, the Dictionary.com blog is the best source for language news and investigation.
Word Dynamo is an online and mobile learning experience that combines the engagement of gaming with proven study techniques. These products reach today’s digitally-minded students and teachers enabling students to complete homework faster, improve test scores and boost overall academic performance. With modes such as flashcards, listen, match and crossword students can learn through a variety of fast, fun, effective study techniques.
We empower our users with the ability to communicate in over 50 languages. Users across the globe can quickly translate any page or word and are provided with a full text translator of over 2000 characters.
Our free translations use a translation technology that is among the most reliable and relevant available on the market today, intended for both language learners and professionals. Look no further - you have just discovered the best language translator online.
Dictionary.com has apps that have been installed over 90 million times on the 7 major platforms. These award-winning mobile apps are the most trusted, comprehensive tools for word discovery - accessible anytime, anywhere. With the Dictionary.com mobile app suite, you can continue to look forward to rapid releases of top-ranked, innovative apps that promote language learning and fun educational games. See below a selection from our mobile app portfolio.