Dictionaries (Electronic Reference Sources)

A searchable and continuously updated version of the definitive English language dictionary on word origins and usage. Allows searching of the entire text of the dictionary including words used in the definitions, etymologies, and illustrative quotations; authors of quotations; and full phrases.

Designed for international or second-language speakers, this site provides searchable versions of a variety of Cambridge dictionaries and bilingual resources.

A complete searchable version of the first edition of the Dictionary and its supplements.

Based on standard British English with some alternative pronunciations. Both American and British spellings are provided.

Searchable versions of the Collegiate Dictionary and Collegiate Thesaurus with links between the term defined and its synonyms. Also includes a link to Spanish language resources.

Includes a searchable version of the Middle English Dictionary, a HyperBibliography of Middle English including all the works cited in the Dictionary, and A Corpus of Middle English Prose and Verse.

A single search interface for an extensive collection of Web-based dictionaries covering art, business, computing, medicine, religion, science, slang, sports, technology, and a variety of other subject and general language resources including a reverse dictionary.

Compiled from an extensive list of identified sources, the dictionary can be searched or browsed alphabetically. A list of the abbreviations used in the dictionary is included on the main page, and a search engine for the site is provided.

A searchable dictionary for finding words that rhyme. Results are broken down by number of syllables, and allow follow-up searching for definitions, synonyms, homophones, etc.

A searchable online version of the book by the same name, with category and alphabetical indexes.

A simple search interface. Based on Roget's II: The New Thesaurus.

A user written dictionary of slang terms.

Provides verb conjugations for hundreds of languages, ranging from national and international languages to regional and even extinct languages. Includes English, French, Spanish, German, Chinese, and many more.

Search one of 15 themes to quickly locate words, or find the meaning of a word by viewing the image it represents.

Suggests words as you type, provides easy to understand definitions, and provides usage examples.

From the Cognitive Science Laboratory at Princeton University, a searchable English lexical database listing hyponyms, synonyms, coordinate terms, etc.

Includes a quick search option, plus links to hundreds of dictionaries in hundreds of languages; links to glossaries and dictionaries in many subjects; and links to translation and language-related resources on the Internet.