Lexical FreeNet
This program allows you to search for relationships between words and concepts that might never have occurred to you before.
http://www.lexfn.com/ (Added: Mon Jun 01 1998 Hits: 328 Rating: 0.00 Votes: 0) Rate It

Merriam-Webster's Online Thesaurus
Online comprehensive thesaurus of the English language.
http://www.m-w.com/dictionary (Added: Mon Jun 01 1998 Hits: 1140 Rating: 0.00 Votes: 0) Rate It

Thesaurus.com
An online thesaurus provided by Lexico, provider of language reference products and services on the Internet.
http://www.thesaurus.com/ (Added: Mon Jun 01 1998 Hits: 1239 Rating: 0.00 Votes: 0) Rate It

Wordnet
On-line lexical reference where English nouns, verbs, adjectives and adverbs are organized into synonym sets, each representing one underlying lexical concept.
http://www.cogsci.princeton.edu/~wn/online/ (Added: Mon Jun 01 1998 Hits: 362 Rating: 0.00 Votes: 0) Rate It

Wordsmyth Educational Dictionary and Thesaurus
Integrated English Dictionary and Thesaurus.
http://www.wordsmyth.net/ (Added: Mon Jun 01 1998 Hits: 534 Rating: 0.00 Votes: 0) Rate It