Wordnik

On the official Wordnik website, the online dictionary gathers word information and usage examples, helping readers explore meanings and discover vocabulary through the references and language resources presented by the service.

It is useful for investigating the meaning, usage or background of a word or expression. Its focus includes English words, Definitions and examples and Language exploration, with the complete entry supplying the context needed to relate a definition or explanation to the original language question.

The official Wordnik site includes sections for Word of the day.