Longest word in English - Wikipedia
The longest officially recognized place name in an English-speaking country is Taumatawhakatangihangakoauauotamateaturipukakapikimaungahoronukupokaiwhenuakitanatahu …
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 …
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.
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 …
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 …
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
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.