Literature concordance program for Works of LiteratureGeneral texts concordance program for searching general texts (newspapers, magazines, etc.)
The Web as a Corpus. Use this concordance program to search the entire Web!
Cobuild: "Bank of English," plus dictionary and vocabulary activities
The Compleat Lexical Tutor. Search texts, find collocations and link to an on-line dictionary.
One Look: search for definitions and other information from many dictionaries at onceWordsmyth: electronic dictionary with thesaurus
Cambridge Dictionary: most words have one or more example sentences
Dictionary.com: definitions; fund and games; translator and more
Hyper Dictionary: definitions, sentence, link to a thesaurus
Merriam-Webster: definitions, sentences, and listen to the word
Bartleby: search for words as they occur in various texts
Allwords.com: search, translate, and listen
Wordnet: words, definitions, sentences and most frequent synonyms
Word Profiler: paste in a text and find out how frequently the words are used
The Compleate Lexical Tutor (MacIntosh version) You can find examples of a word in many contexts and get dictionary information.