Longest Word in English

What is the longest word in the English dictionary?

Smiles because there is a mile between the two s’s.

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27 Comments on "Longest Word in English"


Chelsey's Cat2931 says
August 14, 2018 @ 23:38

Methionylglutaminylarginyltyrosylglutamylserylleucylphenylalanyla lanylglutaminylleucyllysylglutamylarginyllysylglutamylglycylalanylph enylalanylvalylprolylphenylalanylvalylthreonylleucylglycylaspartylpr olylglycylisoleucylglutamylglutaminylserylleucyllysylisoleucylasparty lthreonylleucylisoleucylglutamylalanylglycylalanylaspartylalanylleuc ylglutamylleucylglycylisoleucylprolylphenylalanylserylaspartylproly lleucylalanylaspartylglycylprolylthreonylisoleucylglutaminylaspfragi nylalanylthreonylleucylarginylalanylphenylalanylalanylalanylglycylv alylthreonylprolylalanylglutaminylcysteinylphenylalanylglutamylmet hionylleucylalanylleucylisoleucylarginylglutaminyllysylhistidylproly lthreonylisoleucylprolylisoleucylglycylleucylleucylmethionyltyrosyla lanylasparaginylleucylvalylphenylalanylasparaginyllysylglycylisoleuc ylaspartylglutamylphenylalanyltyrosylalanylglutaminylcysteinylgluta myllysylvalylglycylvalylaspartylserylvalylleucylvalylalanylaspartyl valylprolylvalylglutaminylglutamylserylalanylprolylphenylalanylarg inylglutaminylalanylalanylleucylarginylhistidylasparaginylvalylal anylprolylisoleucylphenylalanylisoleucylcysteinylprolylprolylasp artylalanylaspartylaspartylaspartylleucylleucylarginylglutami nylisoleucylalanylseryltyrosylglycylarginylglycyltyrosylthreonylt yrosylleucylleucylserylarginylalanylglycylvalylthreonylglycylalany lglutamylasparaginylarginylalanylalanylleucylprolylleucylaspa raginylhistidylleucylvalylalanyllysylleucyllysylglutamyltyrosylaspar aginylalanylalanylprolylprolylleucylglutaminylglycylphenylalanylg lycylisoleucylserylalanylprolylaspartylglutaminylvalyllysylalanylal anylisoleucylaspartylalanylglycylalanylalanylglycylalanylisoleucylse rylglycylserylalanylisoleucylvalyllysylisoleucylisoleucylglutamylglu taminylhistidylasparaginylisoleucylglutamylprolylglutamyllysylmeth ionylleucylalanylalanylleucyllysylvalylphenylalanylvalylglutaminylpr olylmethionyllysylalanylalanylthreonylarginylserine

This is the longest word in the world. I’m not sure if it’s English or not but it is the longest.


DSGYoutube says
October 14, 2018 @ 12:29

What is the longest word

Smiles, because there is a mile in between…


Haleigh says
February 25, 2019 @ 14:25

The longest word in the English language is pneumonoultramicroscopicsilicovolcanoconiosis. This word refers to a lung disease caused by silica dust.


Marcia says
December 20, 2021 @ 21:42

I just went through an article on my computer telling me of our languages, the oldest, and such. I am so, so interested in all the languages of the world and though I can only really talk ENGLISH, I find everything written about languages so, so interesting. I am 88 years old and no doubt by tomorrow I will remember very, very little of what I have read. BUT it will always fascinate me forever.
Marcia Opdyke.


Adam says
March 23, 2023 @ 16:35

Wow


Levi says
April 10, 2023 @ 17:41

I used to think it was supercalifragilisticexpialidocious, but now I know it is pneumonoultramicroscopicsilicovolcanoconiosis.


Nova says
May 4, 2023 @ 16:38

the meaning of pneumonoultramicroscopicsilicovolcanoconiosis is a lung cancer caused by quarts dust


Bridgette says
May 7, 2023 @ 04:01

Amazing


Zeke says
May 15, 2023 @ 11:09

Actually the longest word in the English dictionary is Pneumonoultramicroscopicsilicovolcanoconiosis, and it is a disease that comes from inhaling crystalline silica particles.


Kellan says
May 28, 2023 @ 20:53

i thought it was hippomonstrosisquippidaliophobia


Kristin says
October 17, 2023 @ 18:52

I thought it was supercalifragilisticexpialidocious


Jeremiah says
October 25, 2023 @ 23:08

Esophagogastroduodenoscopy


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