Silicon Valley Dictionary - Urban dictionary meets Silicon Valley
Urban Dictionary - Urban Dictionary is a Web-based dictionary of slang words and phrases.
FoxType Thesaurus - Visualize similar words for _____
The Online Slang Dictionary - Learn thousands of real slang words or add your own.
Writefull Thesaurus - A Google Docs add-on that uses AI to give you synonyms
Hinglish Dictionary - HinglishDictionary.com is an archive of user submitted Hinglish words. Users can register and create accounts and add new words, that must have a touch of Hinglish language in it.