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Merriam-Webster’s
Word of the Day
This site gives a word of the day in dozens of languages, including Latin!
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The
Oxford English Dictionary Word of the Day
You should bookmark and visit this site as often as possible. Without a doubt, the OED is the world's most renowned source on the meaning and history of words in the English language. You can visit this site daily but a year long on-line subscription to the OED will cost over $500.00. Please note the detailed information and history that the OED supplies.