Rainer Ottmueller's List: English unilingual dictionaries

www.lexipedia.com vocabulary

www.oed.com vocabulary

dictionary.cambridge.org vocabulary

www.merriam-webster.com vocabulary

dictionary.reference.com vocabulary

www.macquariedictionary.com.au/...index.html vocabulary

www.bartleby.com vocabulary

www.netlingo.com/index.php vocabulary

www.bibliomania.com/...frameset.html vocabulary

whatis.techtarget.com vocabulary

www.yourdictionary.com vocabulary

www.alphadictionary.com/index.shtml vocabulary

www.thefreedictionary.com vocabulary

dico.isc.cnrs.fr/search vocabulary

www.etymonline.com/index.php vocabulary

www.urbandictionary.com vocabulary

www.doubletongued.org/...guide vocabulary

www.slangsite.com vocabulary

www.koalanet.com.au/australian-slang.html vocabulary

www.peevish.co.uk/slang vocabulary