wordnerd2

Lexical FreeNet With a rhyme finder at the same site.

Merriam-Webster's Collegiate Thesaurus A partner to the dictionary site.

Phrase Thesaurus

The ARTFL Project Roget's Thesaurus.

Roget's II More succinct, with a hyperlinked category index.

Thesaurus.com

Wordsmyth A thesaurus is integrated into their dictionary site.

Cliches, puns, rhymes & slang

A Zillion Kajillion Rhymes & Cliches You can buy their software ... or you can just use it on the Web site.

BadPuns.com One-liners, archived puns.

Chet Meek's Page of Puns

Cliche Finder 3,300 indexed.

CoolSlang The World Slang Database

pseudodictionary.com Slang, Webspeak & colloquialisms.

Pun of the Day And others.

punpunpun.com

Rhyme Zone A Lycos site; various other functions on the same page.

Slang Dictionary

Slanguage.com

SlangSite.com

Snake Jokes and Puns "To boa or not to boa, that is the question."

The Alternative Dictionaries Directory of international slang.

The Book of Cliches This site specializes in cliches that apply "in times of trouble, anxiety, frustration or pain .... "

The Classics Teachers' Page: Cliches of the Classics

The College Slang Page

The Online Slang Dictionary

The Pun FAQtory A Q&A page.

Word Central Rhyming dictionary & verse composer. A Merriam-Webster site.

WriteExpress Online Rhyming Dictionary

Translate text

Dictionary.com: Translate Text Greatest invention since sliced bread. Type a block of Spanish, French, German, Italian or Portuguese text into the box, click, and see a gramatically correct English translation. Or translate a block of English text to any of those languages.

Translation2

WordLingo Online translator.

Allwords An English dictionary & a multi-lingual search.

Cambridge Dictionary Online

Hutchinson Dictionary of Difficult Words A-Z index of 13,900 words to increase your vocabulary or just find out what they mean.

Urban Dictionary

Wordsmyth Integrated dictionary & thesaurus.

Hypertext Webster Gateway Misspell, and it will suggest alternatives.

Merriam-Webster's Collegiate Dictionary

OneLook Dictionaries Your search will index to 682 online dictionaries.

Online Dictionaries' Terminology Collection

Oxford English Dictionary

The American Heritage Dictionary of the English Language. Fourth Edition.

The Biggest Viewable Dictionary on the Net It's a little odd -- but it gives you the satisfaction of browsing as you could with a printed dictionary.

The Exploding Dictionary "The idea was to take a set of publicly available dictionaries, index them into a SQL database, and then cross-reference them to near death."

The Newbury House Online Dictionary

Wordsmyth Conduct a narrow search for a word, or a broad, "spelled-like" search.

World English Dictionary, North American Edition

yourdictionary.com