Thesaurus Search Form - Uses the Gutenberg Project text. Two, which is derived from the version of Roget's Thesaurus published in 1911. English nouns, verbs, adjectives and adverbs are organized into synonym sets, each representing one underlying lexical concept.
Different relations link the synonym sets.
From the Cognitive Science Laboratory, Princeton University Lexical Freenet - Allows you to search for relationships between words and concepts that might never have occurred to you before. Plumb Design Visual Thesaurus - An exploration of sense relationships within the English language. By clicking on words, you follow a thread of meaning, creating a spatial map of linguistic associations. Phrase Finder - Enter a single word and it will return a list of phrases and sayings that are related to the word in some way. Freeality Internet Search Thesaurus - Search for words, phrases, and quotations.