Worldwidewords.org
Wordwizard.com
Wordorigins.org
Etymonline.com
Wordnik.com
Wordsmith.org
Allwords.com
Wordspy.com
Alt-usage-english.org
Behindthename.com
Myetymology.com
Chineseetymology.org
Opposite-dictionary.com
Vocabula.com
Unwords.com
Phrontistery.info
Opposite-word.com
Wordinfo.info
Dumbtionary.com
Yourdictionary.com
Shabdkosh.com
Synonym.com
Usingenglish.com
Englishforums.com
Onelook.com
Ldoceonline.com
Learnersdictionary.com
Eudict.com
Grammarist.com
Grammarbook.com
Mdbg.net
Oed.com
Urduenglishdictionary.org
Chicagomanualofstyle.org
Wordwebonline.com
Inogolo.com
Online-utility.org
Verb2verbe.com
Wordsmyth.net
Tigernt.com
Quotes.net
Woxikon.com
Websters-online-dictionary.org
Hyperdictionary.com
Painintheenglish.com
Memidex.com
Idiomsite.com
Wordwaldo.com
Americandialect.org
Cleverlearncebu.com