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  1. Longest word in English - Wikipedia

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

  2. What Is the Longest Word In English? Here’s a List of 15 ...

    Apr 11, 2023 · At over 180,000 letters long, the chemical name of the protein titin is often said to technically be the longest English word. If spoken out loud, this word takes over three hours to say!

  3. The Longest Long Words List - Merriam-Webster

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

  4. 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.

  5. 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.

  6. 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. …

  7. 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' …

  8. 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.

  9. longest - WordReference.com Dictionary of English

    longest living OR longest lived longest novel I have ever been reading / have ever read longest possible terrestrial journey Longest postwar expansion longest war longest -running festival Longest -standing …

  10. What Is the Longest Word in English? - Reader's Digest

    May 29, 2025 · There are about a million words in the English language, but do you know the longest word in English? You may think it’s antidisestablishmentarianism, at 28 letters long.