Inter Active Terminology for Europe (IATE)
- The European Commission's multilingual term bank. Particularly rich in technical and specialized terminology related to European Union policy.
- http://iate.europa.eu/iatediff/

Terminological Information System
- A simplified version of the European Union terminological database.
- http://tis.consilium.eu.int/utfwebtis/frames/introfsEN.htm

Hypertext Webster Gateway
- WWW interface to multiple English dictionaries.
- http://www.bennetyee.org/http_webster.cgi

WordWeb
- A free English thesaurus and dictionary for Windows.
- http://wordweb.info/free/

Search-It-All
- A collection of reference tools.
- http://www.search-it-all.com/reference/

Quotations: The Yale Dictionary
- Project to create an searchable online database and a quotation dictionary from Yale University Press.
- http://yalepress.yale.edu/yupbooks/qyd/

Web Dictionaries
- Multi-search tool by Tinh Van, which consults English-only dictionaries, and Vietnamese into English or French translation dictionaries.
- http://www.tinhvan.com/scripts/tvis/webdict/webdict.pl

Dictionarium
- Directory of English and foreign-language dictionaries.
- http://www.dictionarium.com/

Webster's Online Dictionary: The Rosetta Edition
- This database doubled with a metasearch tool extracts records from a variety of online and public-domain paper dictionaries, both general and specialized. It offers English definitions, as well as translations from/to a hundred languages.
- http://www.websters-online-dictionary.com

eLook Dictionary
- Provides definitions, synonyms, and related words.
- http://www.elook.org/dictionary/

Dictionary Link
- A directory of free online language resources such as dictionaries, thesauruses, language translators, and encyclopedias.
- http://www.dictionarylink.com/

The Online Dictionary List
- A large directory of online dictionaries, both in English and bilingual, including specialist dictionaries.
- http://www.clearenglish.net/dictionary.htm

Oxford Advanced Learner's Dictionary
- Allows users to search, free of charge, for entries in the latest (year 2000) edition of the Oxford Advanced Learner's Dictionary.
- http://www.oup.com/elt/oald/

HyperDictionary.com
- Includes a thesaurus and searchable dictionaries for English, computers, dreams and medicine.
- http://www.hyperdictionary.com/

Planet Translation
- Directory of dictionaries, including unilingual, multilingual, and topical resources.
- http://planettranslation.com/

Glossaries by Language
- Directory of multilingual dictionaries and dictionaries on specific subjects, alphabetized by language.
- http://www.lai.com/glossaries.html

Online Dictionaries, Translators and References
- Online dictionaries, translators, references accessable from a small pop-window. Requires use of a browser with Javascript enabled.
- http://www.esldesk.com/dictionaries/index.htm

yourDictionary.com
- Comprehensive index of on-line dictionaries in more than 200 different languages. Includes an index of on-line grammars, word of the day by email, and several pages of linguistic fun.
- http://www.yourdictionary.com/

Voycabulary
- Online dictionary and thesaurus web linking lookup reference tool.
- http://www.voycabulary.com/

On-Line Dictionaries
- Online specialty dictionaries for English, Russian, German, Finnish and Latin.
- http://www.ets.ru/udict-e.htm

Lexicool
- Searchable directory of bilingual and multilingual dictionaries.
- http://www.lexicool.com/

KnowPlay?
- Simple and integrated access to dictionaries, thesauri, encylopedias, and quotation databases.
- http://www.kplay.cc/reference.html

The Glossarist
- Searchable directory of glossaries and topical dictionaries containing terms and definitions on hundreds of subjects.
- http://www.glossarist.com/

Dictsearch
- Search a variety of dictionaries including monolingual, bilingual, and specialty dictionaries.
- http://www.foreignword.com/Tools/dictsrch.htm

Campus Program: Language Dictionaries
- A compilation of a large number of dictionary websites grouped by language.
- http://campusprogram.com/research/dictionaries/language/

Dictionary.com
- Free online dictionary search, translator, word of the day, crossword puzzles and word games, and vocabulary learning resources for many languages.
- http://dictionary.reference.com/

Free Dictionary and Free Translation
- Collection of free dictionaries and translation sites. Supports searching all dictionaries with just one mouse click.
- http://www.stars21.com/freemorn/index.html

EZresearch.com
- Provides a directory of dictionaries.
- http://www.ezresearch.com/reference/dict.html

Glossaries
- Collection of more than 2400 links to glossaries and dictionaries.
- http://frankdietz.com/glossary.htm

Dictionaries on the Web
- Link collection -- over 100 links to various dictionaries of about 40 languages.
- http://www.helsinki.fi/~hkantola/dict.html

Dictionaries, Lexica and Lexical Resources
- Collection of links to various online dictionaries and other lexical references.
- http://www.sil.org/linguistics/etext.html#dictionaries

Collection of Web-Dictionaries
- Sorted list of online dictionaries of more than 50 languages, mostly bilingual.
- http://www.leo.org/~mike/dictionaries.html

Dictionary of Difficult Words
- Search or browse this dictionary of more than 13,000 words.
- http://www.tiscali.co.uk/reference/dictionaries/difficultwords/

The Superhero Dictionary
- Each entry compares a superhero's name with its real life meaning and includes comparison pictures and pronunciations.
- http://shdictionary.tripod.com/

Strange Dictionaries
- Free online versions of the Dictionary of One-Letter Words, the Dictionary of All-Vowel Words, the Dictionary of All-Consonant Words, and other strange dictionary resources.
- http://www.blueray.com/dictionary/

The Newbury House Online Dictionary
- Search over 40,000 entries to get clear concise definitions and when available related pictures.
- http://nhd.heinle.com/

DICT Development Group
- A WWW interface to several freely available on-line dictionaries, including Webster's 1913, the Jargon File, the US Gazetteer, and Easton's Bible Dictionary.
- http://www.dict.org/

Word Spy
- Site dedicated to recently coined words and existing words revived into modern usage.
- http://www.wordspy.com/

Lighting Design Terminology
- Explanations of terms used in architectural lighting and lighting simulation.
- http://www.schorsch.com/kbase/glossary/

The Alternative Dictionaries
- Includes a list of slang terms and phrases in various languages.
- http://www.notam02.no/~hcholm/altlang/

Dictionary of Comprehension
- A Dictionary of Comprehension in different languages.
- http://www.dictionarydictionary.com/

The Century Dictionary Online
- Free 500,000 word dictionary of English with an encyclopedia and world atlas. Uses DjVu and JPEG formats to display page images. Has headword lookup and full text search of 22 million words of underlying text.
- http://www.global-language.com/CENTURY/

High Definition Dictionary
- Mixed collection of drug terminology with an apparently arbitrarily selected mix of other, unrelated terms. Dictionary accepts contributions of new terms.
- http://hdd.rox.com/