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  1. Longest word in English - Wikipedia

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

  2. The Longest English Word (189,819 Letters): Facts and Explanation

    Aug 11, 2025 · Uncover the truth behind the longest word in the English language, a massive 189,819-letter chemical name. Learn what it means, why it's so long, and whether it's truly …

  3. The Longest Word in the Dictionary | Britannica Dictionary

    Pneumonoultramicroscopicsilicovolcanoconiosis is the longest word entered in the most trusted English dictionaries. The definition is "a lung disease

  4. 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 …

  5. 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.

  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 Longest Word In The World: Which One Holds The Record?

    Nov 10, 2025 · From the longest word in English to giant German compounds, discover the longest words in the world and why they’re so fascinating.

  8. 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.

  9. 10 Longest Words In The World - Lingopie

    May 28, 2025 · Longest English Word: "Pneumonoultramicroscopicsilicovolcanoconiosis" holds the record for the longest word in English, often cited for its length and complexity.

  10. 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, …