Merriam-Webster

Merriam-Webster provides English dictionaries, thesaurus resources and articles about language. Visitors can look up meanings, pronunciation, usage and word histories. The website is useful for reference and vocabulary development, with a strong American English perspective. Australian writers can compare regional usage with an Australian reference when spelling or a local meaning differs.

It is useful for investigating the meaning, usage or background of a word or expression. Its focus includes English dictionary, Usage and pronunciation and Language articles and word histories, with the complete entry supplying the context needed to relate a definition or explanation to the original language question.