Dictionary Jumpstart

Software program for realtime reporters and captioners that lists many diverse vocabulary lists.

Farlex Free Dictionary

Collection of dictionaries by subject including medical and legal together with free and subscription encyclopedias, in ten languages.

Research-It

Includes several dictionaries and a thesaurus as well as online tools for shipping and mailing, currency exchange, and language translation.

Word Assault

Looks up multiple words simultaneously using several databases including Webster's, Easton's, Wordnet, and the Devil's Dictionary.