Web Resources for English

Dictionaries

Ask Oxford
Search the Compact Oxford English Dictionary online and get answers to questions on English, language, grammar, spelling, quotations, and usage.

Cambridge Dictionaries Online
Includes a selection of dictionaries including American English and Idioms, as well as the Cambridge Advanced Learners' dictionary.

Webster's Online Dictionary

Roget's Thesaurus Online

Online Exercises

Ask Oxford
try out word games, crosswords, and puzzles.