Acronym and Abbreviation Server: An acronym and word search engine.

 

Cambridge Dictionaries Online: "This site provides access to seven free language dictionaries published by Cambridge University Press. These are not comprehensive online dictionaries, but are abridged works intended for individuals learning English. The collection includes Cambridge Learner's Dictionary, Cambridge Advanced Learner's Dictionary, Cambridge Dictionary of American English, Cambridge International Dictionary of Idioms, Cambridge International Dictionary of Phrasal Verbs, Dictionnaire Cambridge Klett Compact, and Dictionario Cambridge Klett Compact.

 

Language & Translation Center: Jim Martindale's reference guide to indigenous languages of North America, English and other languages, including links to sign language and braille.

 

OneLook Dictionaries: Search many dictionary websites simultaneously for words and phrases. If you do not know how to spell the word you can enter a "wildcard pattern" with an asterisk.

 

Rhetorical Figures: A glossary of Rhetorical terms with examples supported by Kentucky Classics.

 

YourDictionary: The widest and deepest set of language dictionaries online covering over 260 known languages.

 

Visual Thesaurus Online Edition: "The Visual Thesaurus accesses data from WordNet, a publicly available lexical reference system developed by the Cognitive Science Laboratory at Princeton University. This database, inspired by psycholinguistic theories of human lexical memory, contains over 50,000 words and 40,000 phrases collected into more than 70,000 sense meanings."

 

WebRef: Multiple selection of glossaries providing several hundred terms in each subject discipline in the physical, social, biological sciences, and asthetic arts.

 

WordReference: "WordReference can be used as a free online dictionary. Type in a word in the forms to the left for a quick definition. There are four multilingual translation dictionaries and one extremely big English dictionary."

Bartlett's Familiar Quotations: "A collection of passages, phrases, and proverbs traced to their sources in ancient and modern literature."(available on Bartleby.com)

 

Dictionary: An Internet guide to foreign language dictionaries and other language resources.

 

Merriam Webster Online Dictionary: Abridged dictionary with brief definitions including the etymology of each word. This dictionary also now includes audio pronunciation of each word.

 

Wordsmyth - Educational Dictionary - Thesaurus: This distinctive dictionary-thesaurus involves the use of both primary and secondary sources. It is designed to give readable definitions for the general user. The word list is very helpful in developing a basic vocabulary. (Free registration is required)