The longest word in any of the major English language dictionaries is pneumonoultramicroscopicsilicovolcanoconiosis (45 letters), a word that refers to a lung disease …

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

May 11, 2025 · This list of the longest words in the English language could score you major points on your next game — if you can remember how to spell them. Some of the words that qualify for the title …

Pneumonoultramicroscopicsilicovolcanoconiosis is the longest word entered in the most trusted English dictionaries. The definition is "a lung disease caused by inhalation of very fine silicate or quartz dust."

May 29, 2025 · The longest word in the Oxford English Dictionary is 45 letters: pneumonoultramicroscopicsilicovolcanoconiosis. According to the OED, this synonym for silicosis …

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.

Oct 29, 2025 · It's important to understand that while pneumonoultramicroscopicsilicovolcanoconiosis is the longest word in many dictionaries, the definition can sometimes vary slightly depending on the …

Sep 26, 2024 · Discover the longest words in English, their meanings, and tips on how to spell them. Enhance your vocabulary and writing skills today!

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 …

Dec 4, 2025 · The word was coined to be an example of a very long word – a sort of playful creation to showcase the potential length of English words. While it is a technically valid word and appears in …