Find below variety of reference resources!
The OED is the definitive record of the English language, featuring 600,000 words, 3 million quotations, and over 1,000 years of English.
Online access to Cambridge Advanced Learner's Dictionary and some other dictionaries published by Cambridge University Press.
Large general dictionary available online.The Merriam-Webster Online Dictionary is based on the print version of Merriam-Webster's Collegiate® Dictionary, Eleventh Edition. The online dictionary includes the main A-Z listing of the Collegiate Dictionary, as well as the Abbreviations, Foreign Words and Phrases, Biographical Names, and Geographical Names sections of that book.
The thesaurus that appears on this site is Roget’s II:The New Thesaurus. Thesaurus.com is produced by Dictionary.com. To use the thesaurus, simply type a word in the gold search box and click the 'Search' button. A list of synonyms and antonyms will be returned.