Silicon Valley Dictionary - Urban dictionary meets Silicon Valley
Reji - Improve your vocabulary hassle-free ๐
Meaning Monkey - Find the definition and meaning of anything.
Duolingo - Duolingo is a free language learning app for iOS, Windows and Android devices. The app makes learning a new language fun by breaking learning into small lessons where you can earn points and move up through the levels. Read more about Duolingo.
Reverse Dictionary - Describe a concept and get back a list of words
Words For That - the reverse-Urban Dictionary of the internet