Reverse Dictionary - Describe a concept and get back a list of words
Emoji Translate - Turn your text into emoji automatically
Silicon Valley Dictionary - Urban dictionary meets Silicon Valley
Emojisaurus - Turn English phrases into emojigrams
Dictionary Anywhere - Dictionary Anywhere is an open-source and easy-to-use browser extension for Mozilla Firefox and Google Chrome that allows you to check definitions easily while browsing the web.
Overspot - The best translation app for macOS.