WordNet - WordNet® is a large lexical database of English.
Urban Dictionary - Urban Dictionary is a Web-based dictionary of slang words and phrases.
Artha - Artha is a handy thesaurus based on WordNet with distinct features like global hotkey look-up...
SlangLang - SlangLang is an editorial dictionary for slang words mainly used on the internet. Here you will find definitions and information about the origin and spread of terms, memes and emotes that are used on the net.
Power Thesaurus - Power Thesaurus is a fast, comprehensive and easy-to-follow online thesaurus for writers...
Google Translate - Google's free service instantly translates words, phrases, and web pages between English and over 100 other languages.