Discover the longest words in the English language with their meanings. Use this article to boost your English proficiency . Here's how Merriam-Webster defines the ten longest words in the English language . Take a look at some of the longest words commonly used in the English language and challenge yourself to use them in your everyday writing. Long story short—we organized a list of 15 of the longest English words according to some unique criteria. It won't be long before you learn something new!

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