Merriam-Webster, the dictionary known of late for its killer Twitter account, has added 250 new words and definitions to its pages of record. As usual with new words and definitions, they reveal a lot ...

Are you greenwashing? How much sleep debt do you have? If you're unfamiliar with those terms you're probably not the only one, but they're now recognized by the most famous online dictionary.

Wordnik is busy hunting through 361 billion words of English for a million ones not yet in any dictionary. But it has plenty on hand already, with definitions, examples, synonyms, antonyms, tags, a ...