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  1. Longest word in English - Wikipedia

    The longest officially recognized place name in an English-speaking country is Taumata­whakatangihanga­koauau­o­tamatea­turi­pukaka­piki­maunga­horo­nuku­pokai­whenua­ki­tana­tahu …

  2. 13 of the Longest Words in the English Language - ThoughtCo

    May 11, 2025 · Take your vocabulary to the next level with this list, featuring 13 of the longest words in the English language.

  3. The Longest Long Words List - Merriam-Webster

    Sep 2, 2025 · The longest word entered in most standard English dictionaries is Pneumonoultramicroscopicsilicovolcanoconiosis with 45 letters. Our definition is "a lung disease …

  4. The 10 Longest Words in the English Language

    May 8, 2025 · In this article, we will explore the 10 longest words in the English language, delving into their origins, usage, and significance. Long words, often referred to as sesquipedalian words, are …

  5. 150 Longest Long Words in English (+ Definitions) - Writing Beginner

    This is the ultimate list of the 150 longest long words in the English language.

  6. 19 longest words in English with up to over 45 letters

    Aug 19, 2025 · Prepare to challenge your memory and discover the jaw-dropping lengths of the longest words in English.

  7. The 10 longest words in the world | The AltaLingua Blog

    The 12 Longest Words in the World: A Glimpse of Linguistic Wonders Human language is fascinating, and one of the most interesting features of words is their length. Across the world, different …

  8. Longest - definition of longest by The Free Dictionary

    Define longest. longest synonyms, longest pronunciation, longest translation, English dictionary definition of longest. adj. long·er , long·est 1. a. Extending or traveling a relatively great distance. b. …

  9. These Are the LONGEST English Words in the Dictionary

    Mar 24, 2025 · Definition: Yep, there’s a word out there that’s almost 190,000 letters long. Technically speaking, it’s not truly a word—it’s actually the chemical name for a protein. Luckily, this protein has …

  10. Discover What Is the Longest Word in the World - Rosetta Stone

    Apr 21, 2025 · Find the answer to the question “What is the longest word in the world?” with our guide to long words around the globe, including the longest words in English.