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pneumonoultramicroscopicsilicovolcanoconiosis

A lung disease caused by inhaling volcanic ash and/or dust. Can also be caused by inhaling very fine silica dust particles. Also, it is the longest English word to ever appear in a dictionary. It was first coined in 1931. The longest English word ever is the chemical name of titin ,the largest protein in the human body.
You won't have to use this word much, but if you have ever been near a volcano, and you start coughing like crazy, then you probably have pneumonoultramicroscopicsilicovolcanoconiosis.
by mkakapo February 14, 2014
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pneumonoultramicroscopicsilicovolcanoconiosis

i dunno, like a cancer of lungs. that's pneumonoultramicroscopicsilicovolcanoconiosis
by kwartz99 May 8, 2012
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pneumonoultramicroscopicsilicovolcanoconiosis is a word

A statement that implies the word pneumonoultramicroscopicsilicovolcanoconiosis is in fact a word
They stated that pneumonoultramicroscopicsilicovolcanoconiosis is a word
by Seen_potato_bean May 24, 2021
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Pneumonoultramicroscopicsilicovolcanoconiosis & Supercalifragilisticexpialidocious are the longest words in the world! Let's forget titin
Oh my god! I love saying Pneumonoultramicroscopicsilicovolcanoconiosis & Supercalifragilisticexpialidocious
I'm getting real fast at typing that
by BabbleBoy April 9, 2023
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You're not really stupid, because its the longest word in the English language.
Guy: stupid people who don't know how to spell pneumonoultramicroscopicsilicovolcanoconiosis
Guy 2: I'm not stupid because its the longest word in exsistence!
Guy: OK! But its true because the name of this "NEW WORD" is called that!
Guy 2: But it says you're not really stupid!
Guy: Oh yeah, I guess so... Hah?
by SirenHeadPlayz12345 December 26, 2020
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pneumonoultramicroscopicsilicovolcanoconiosis

A long ass word that by the time you figure out how to pronounce it or what it means your friend would’ve died already. Oh and by the way it’s a lung disease from volcanic ash or silica dust.
Person 1: My friend died from pneumonoultramicroscopicsilicovolcanoconiosis yesterday.
Person 2: Whats that?
Person 1: Dunno, he said that he had it and then died before I figure out what it was and call for help.
Person 2: Oh…
by Kid from ZA August 28, 2022
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Pneumonoultramicroscopicsilicovolcanoconiosis

The then president of the National Puzzlers' League, Everett M. Smith, as a synonym for the disease known as silicosis,better known as the longest word in the English dialect.
Example:

Person one: Bro i just got, Pneumonoultramicroscopicsilicovolcanoconiosis. I think I am gonna die.

Person two: Ew,get away from me. Quarantine yourself
by B1GBL4CKB411$ September 24, 2022
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