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!




The Online Slang Dictionary is described as 'Learn thousands of real slang words or add your own. Slang thesaurus, maps, usage voting, offensiveness rating, more' and is a Dictionary in the education & reference category. There are more than 10 alternatives to The Online Slang Dictionary, not only websites but also apps for a variety of platforms, including Android, iPhone, iPad and Android Tablet apps. The best The Online Slang Dictionary alternative is Dictionary.com, which is free. Other great sites and apps similar to The Online Slang Dictionary are Urban Dictionary, Lingoes, Merriam-Webster and Thesaurus.com.
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!




Urban Dictionary is a Web-based dictionary of slang words and phrases. Submissions are regulated by volunteer editors and rated by site visitors.
The definitions on Urban Dictionary are meant to be those of slang or subculture words, phrases, and phenomena not found in standar.




Lingoes is an easy and intuitive dictionary and text translation software. It offers lookup dictionaries, full text translation, capture word on screen, translate selected text and pronunciation of words. Lingoes sits in the system tray and becomes ones pop-up dictionary and the.




Free online dictionary, thesaurus, spanish-english and medical dictionaries, audio pronunciations, Word of the Day, word games, and many more high-quality Merriam-Webster language resources.




Comprehensive free thesaurus offering over 3 million synonyms and antonyms for precise language use with filters for relevance, length, and complexity, trusted worldwide for enhancing English language skills, and developed by Dictionary.com, LLC.

An app open-source where you can learn a new word every day. You can discover its pronunciation, its etymology, and many other details.



The meaning and definition of 140.000+ words. Meaning Monkey is a free online dictionary. Can't find something? Take part in the enlargement of MeaningMonkey.org! Let's build the world's next favorite dictionary together.




A Slang Dictionary is an essential tool to understand the way contemporary language is used in its informal context.

The official Collins English Dictionary online. Comprehensive and authoritative, rely on Collins for up-to-date English with insights into language trends and usage.
The Longman Dictionary of Contemporary English Online is an online version of the CD-ROM of the Longman Dictionary of Contemporary English, Updated Edition.
Urban dictionary clone written using Python and the Flask framework. You can self host it on any machine that supports Python, and the database requires no setup!