The FindLaw Legal Dictionary -- free access to over 8260 definitions of legal terms. Search for a definition or browse our legal glossaries.
Find plain-English definitions for legal terms by browsing Nolo's Plain-English Law Dictionary
1,800 English idioms, phrases and expressions, with their meanings and origins explained.
Merriam-Webster's Collegiate Dictionary, Tenth Ed.
Allows regular and wildcard searching, so you can find all the words ending in a given suffix.
Your dictionary.com (A Web of Online Dictionaries)
It provides links to more than 400 dictionaries in more than 130 different languages.
Dictionary.com is a free online dictionary, thesaurus, translator, word of the day, crossword puzzles and word games, and vocabulary learning resources for many languages.
This thesaurus is searchable by headword or full text.
It is an online version of the Merriam-Webster Thesaurus.
It is an online version of Roget's Thesaurus of English words and phrases.
Britannica Online Academic Edition