"A search engine for words," OneLook Dictionaries contains over 4 million words indexed in more than 700 online dictionaries. Whether you’re looking for a definition or translation, OneLook will provide a list of Web dictionaries that can answer the questions you’re seeking. Equally important, for those rare occasions when the spelling of a word is unknown, OneLook allows you to type in a pattern...

This site contains pointers to dictionaries in over 130 languages, many of them bilingual (English and the language of the dictionary). Included are "artificial" languages such as Esperanto and three different fictional languages from the Star Trek TV show. All levity aside, this extremely useful site offers multilingual and specialized dictionaries, thesauri, vocabulary aids, and a...