Myetymology.com

Languagerealm.com

Wordnik.com

Wordsmith.org

Allwords.com

Opposite-word.com

Wordinfo.info

Wordspy.com

Dumbtionary.com

Wehewehe.org

Dragomanos.com

Opposite-dictionary.com

Unwords.com

Omniglot.com

Ilovelanguages.com

Ethnologue.com

Linguistlist.org

Painintheenglish.com

Ancientscripts.com

Wineverygame.com

Morewords.com

Lexicalwordfinder.com

Unscramble.net

Lexico.com

Spellweb.com

Findtheword.info

Worldwidewords.org

Wordwizard.com

Wordorigins.org

Alt-usage-english.org

Word-detective.com

Aslpro.com

Handspeak.com

Yourdictionary.com

Shabdkosh.com

Spanishdict.com

Lexilogos.com

Internetslang.com

Synonym.com

Wordhippo.com

Forvo.com

Onelook.com

Dictionarist.com

Freetranslation.com

All-acronyms.com

Americandialect.org

Wordwaldo.com

Slangvocabulary.com

Lojban.org

Orbilat.com