Originally based on the WordNet database, the Memidex online dictionary/thesaurus features more words, more extensive cross-referencing, hierarchical links, complete inflections, frequent updates, and a simple interface.
The complete Merriam-Webster Collegiate Dictionary and Thesaurus online -- free and searchable with definitions and audio pronunications. You can also read the Word of the Day, play Word Games, and purchase books and CDs.
The largest database of English-language phrases and sayings available on the Internet. This writer's resource uses a unique intelligent search function to locate phrases from a database of over 12,000 entries. Enter a word and it will generate a list of phrases and sayings related to that word - often including interesting selections that you may not have anticipated.
The Internet Picture Dictionary is a completely free, online multilingual picture dictionary designed especially for ESL students and beginning English, French, German, Spanish and Italian language learners of all ages.
Look up words in the Visuwords online graphical dictionary and thesaurus to find their meanings and associations with other words and concepts. Produce diagrams reminiscent of a neural net. Learn how words associate.
Wikipedia, a free-content encyclopedia in many languages. In this English edition, started in January 2001, we are working on 368500 articles. Learn how to edit pages, experiment in the sandbox, and visit our Community Portal to find out how you can edit any article right now.
The Edinburgh Associative Thesaurus (EAT) is a set of word association norms showing the counts of word association as collected from subjects. This is not a developed semantic network, but empirical association data.
WordNet® is a large lexical database of English, developed under the direction of George A. Miller. Nouns, verbs, adjectives and adverbs are grouped into sets of cognitive synonyms (synsets), each expressing a distinct concept. Synsets are interlinked by means of conceptual-semantic and lexical relations. The resulting network of meaningfully related words and concepts can be navigated with the browser. WordNet is also freely and publicly available for download. WordNet's structure makes it a useful tool for computational linguistics and natural language processing.
Wordnik is a place for all the words, and everything known about them.
Our goal is to show you as much information as possible, as fast as we can find it, for every word in English, and to give you a place where you can make your own opinions about words known.