Methionylthreonylthreonylglutaminylarginyl...isoleucine 189,819
Methionylthreonylthreonylglutaminylarginyl...isoleucine
189819 letters
chemical name for titin (largest known protein)
Technical; not in dictionary; disputed whether it is a word
Lopadotemachoselachogaleokranioleipsano...pterygon
183 letters
longest word coined by major author
Coined; not in dictionary; Greek transliteration
Pneumonoultramicroscopicsilicovolcanoconiosis
45 letters
longest word in English dictionary
disease caused by the inhalation of very fine silica dust, causing inflammation in the lungs
technical; coined to be the longest word
Pseudopseudohypoparathyroidism
30 letters
longest non coined word
1. pneumonoultramicroscopicsilicovolcanokoniosis
2. hippopotomonstrosesquipedaliophobia
3. supercalifragilisticexpialidocious
4. pseudopseudohypoparathyroidism
5. hippopotomonstrosesquipedalian
Methionylthreonylthreonylglutaminylarginyl...isoleucine
Lopadotemachoselachogaleokranioleipsano...pterygon
Pneumonoultramicroscopicsilicovolcanoconiosis
Pseudopseudohypoparathyroidism
Floccinaucinihilipilification
Anti-dis-establish-mentarianism and super-cala-fraga-listic-s.-p.-ali-docious
Twyndyllyngs is the longest word in English that doesn't contain one of the five vowels.
You can follow the link, below, and discover under different circumstances, which words are the longest English words.
There are at least 8,801 five-letter words in the English language.
The longest English words you can make using only those letters are five-letter words: badge, cadge, caged, decaf, faced, fadge
All the five vowels words in English are .. A E I O U
Five words? It is cinque parole
The longest are two five-letter words: cloud and could.
Transformationalist
The 45 letter word Pneumonoultramicroscopicsilicovolcanoconiosis is the longest constructed word that appears in major dictionaries. Antidisestablishmentarianism, at 28 letters, is the longest non-technical English word.
The five longest words in the English dictionary are pneumonoultramicroscopicsilicovolcanoconiosis, pseudopseudohypoparathyroidism, floccinaucinihilipilification, antidisestablishmentarianism, and honorificabilitudinitatibus.
The letters NEPKEUFVDOUBGNUCN can spell 254 English words. The longest are :denounceconvenedbeckonedunopenedconvenedungeonbuncoedboundenpouncedbouncedunbound
Do you mean 45-letter word?Pneumonoultramicroscopicsilicovolcanoconiosis