Dictionaries in the Yahoo! Directory

Merriam-Webster Dictionary
Free online version of the Merriam-Webster English dictionary, with searchable dictionary definitions, thesaurus, and a student dictionary for kids. Also offers online subscription versions of Merriam-Webster's collegiate dictionary and the Encyclopedia Britannica.
www.merriam-webster.com
OneLook Dictionaries
Dictionary search service that offers definitions from a variety of online English and foreign language dictionaries. Find the definition of a term, see terms that correspond to definition key words, or search for the correct spelling of a word.
www.onelook.com
YourDictionary
Directory of online English dictionaries and thesauruses, translation dictionaries of 150 different languages, grammar help for 70 languages, and pages of linguistic fun.
www.yourdictionary.com
Dictionary.com
Free online English dictionary site, offering word definitions, synonyms, word of the day emails, and writing resources.
dictionary.reference.com
Cambridge International Dictionaries
Search Cambridge's free online dictionaries of English, English for students, French, Spanish, phrasal verbs, or idioms.
dictionary.cambridge.org
Free Dictionary, The
Free online dictionary search, offering English, medical, legal, and computer dictionaries as well as a thesaurus, encyclopedia, and literature reference library.
www.thefreedictionary.com
AskOxford.com [read review]
Searchable online version of the Compact Oxford English Dictionary, as well as thesauri, quotations, foreign language dictionaries, a word of the day, and games.
www.askoxford.com
Merriam-Webster's Word Central
Offers kids a student dictionary, Word of the Day, and interactive word games. Includes homework help and lesson plans for parents and teachers.
www.wordcentral.com
DICT.org [read review]
Dictionary search site that draws on dictionaries and reference sources including Webster's, Jargon File, translation dictionaries, and Roget's Thesaurus. Created as part of an experiment to create a data exchange protocol for dictionary information.
www.dict.org
Wordsmyth Dictionary-Thesaurus
Online dictionary, thesaurus, and other American English resources for students and the general public. Find word definitions, spellings, and synonyms, or try tools like the Wordsmyth glossary maker or anagram solver.
www.wordsmyth.net
AllWords.com
Online English dictionary with multi-lingual translations to or from Dutch, French, German, Italian, or Spanish. Includes crossword puzzle solver features, creative writing tips, and slang words.
www.allwords.com
HyperDictionary
Online dictionary featuring links to explanations of difficult terms within a given word's definition. Includes computer, dream, and medical dictionaries.
www.hyperdictionary.com
VoyCabulary
Turns the words on a webpage into links to their dictionary definitions, so you can look them up with a single click. Includes thesauri and foreign language dictionaries.
www.voycabulary.com
Newbury House Dictionary of American English
Free online version of the Newbury House Dictionary of American English, with simple definitions for students and English learners.
nhd.heinle.com
Encarta World English Dictionary
Online English dictionary and thesaurus, featuring audio clips of words pronounced, as well as a word of the day.
dictionary.msn.com
OneLook Reverse Dictionary
Reverse dictionary lets you enter a concept to see matching words and phrases, for those times when you remember the definition but not the word.
www.onelook.com/reverse-dictionary.shtml
WordIQ.com
Reference resource that includes an encyclopedia, dictionary, almanac, thesaurus, and dream interpretation database as well as a general search engine.
www.wordiq.com
Visual Dictionary, The
See definitions for terms from biology, anatomy, and music with the InfoVisual visual dictionary. Browse by topics and thumbnails, or search for a word or phrase.
www.infovisual.info
CoolDictionary.Com: Audible Webster Dictionary
Online version of Webster's American Dictionary, with audio clips of the correct pronunciation of words and quotes.
www.cooldictionary.com
Word Assault
Searches multiple English dictionaries for words and phrases. Includes thesaurus, place names, computing terms, a Bible dictionary, and the CIA World Factbook.
www.wordassault.com