Google's dictionary extension on Google Chrome. With it, you can double-click any word to view its definition in a small pop-up bubble, or search the complete definition of any word or phrase using the address bar dictionary.



Dictionary.com is described as 'The free Dictionary.com app delivers content from Dictionary.com and Thesaurus.com, including nearly a million words and definitions and 90,000 synonyms and antonyms. No internet required!' and is a popular Dictionary in the education & reference category. There are more than 100 alternatives to Dictionary.com for a variety of platforms, including Web-based, Android, Windows, iPhone and iPad apps. The best Dictionary.com alternative is GoldenDict, which is both free and Open Source. Other great apps like Dictionary.com are Wiktionary, WordReference, Tatoeba and Merriam-Webster.
Google's dictionary extension on Google Chrome. With it, you can double-click any word to view its definition in a small pop-up bubble, or search the complete definition of any word or phrase using the address bar dictionary.






Vocabulary.com is the easiest, most intelligent way to improve your vocabulary. It combines an adaptive learning system (The Challenge) with the world’s fastest dictionary (The Dictionary) so that you can more quickly and more efficiently learn words.




Wordnik is an online English dictionary and language resource that provides dictionary and thesaurus content.Some of the content is based on print dictionaries such as the Century Dictionary, the American Heritage Dictionary, WordNet, and GCIDE.


Your Mac also comes with a versatile Dictionary application. It also includes to other reference libraries such as thesaurus, Apple glossary, and Wikipedia. With it, you can find definitions, learn of the word's origin, find synonyms and antonyms, or get encyclopedic...


Artha is a handy thesaurus based on WordNet with distinct features like global hotkey look-up, passive desktop notifications, regular expression based search, etc.. Artha may be used as a free open-source replacement to the proprietary WordWeb Pro.




Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia encyclopedia, Wikipedia...





Dictionary and offline Wikipedia reader.
"Aard Dictionary is a free, fast, easy to use word lookup program that
looks up words fast even with huge dictionaries like English Wikipedia looks up words in multiple dictionaries in multiple languages without switching .




Aard Dictionary is the most popular Self-Hosted alternative to Dictionary.com.
Free online dictionary of British English and American English from Oxford. Translate from English to Spanish, French, Italian, and German with bilingual dictionaries. Get writing, spelling and grammar help, and play word games.



Translate text, images, and websites in over 100 languages using versatile text-to-speech and voice translation. Offers offline translations, transliterations, predictive typing, and works across devices including Apple Watch. Save favorites, access history, and enjoy Split View on iPads seamlessly.



Think of this web site as a search engine for words and phrases: If you have a word for which you'd like a definition or translation, we'll quickly shuttle you to the web-based dictionaries that define or translate that word.


The free dictionary gathers lots of dictionaries, so it has more definitions and examples.