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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 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 …

  3. 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.

  4. 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.

  5. 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 considered a 'real' …

  6. 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.

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

    In this article, we will explore the 12 longest words in the world, from different languages and cultures, discovering the beauty and complexity that can exist in a single word.

  8. 150 Longest Long Words in English (+ Definitions) - Writing Beginner

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

  9. 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. …

  10. 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.