|
Word
|
Letters
|
Characteristics
|
Dispute
|
|
Methionylthreonylthreonylglutaminylarginyl...isoleucine
|
189,819
|
Chemical name of
titin, the largest known protein
|
Technical; not in
dictionary; disputed whether it is a word
|
|
Methionylglutaminylarginyltyrosylglutamyl...serine
|
1,909
|
Longest published
word
|
Technical
|
|
Lopadotemachoselachogaleokranioleipsano...pterygon
|
183
|
Longest word coined
by a major author, the longest word ever to appear in literature.
|
Coined; not in
dictionary; Ancient Greek transliteration
|
|
Pneumonoultramicroscopicsilicovolcanoconiosis
|
45
|
Longest word in a
major dictionary
|
Technical; coined
to be the longest word
|
|
Supercalifragilisticexpialidocious
|
34
|
Famous for being
created for the Mary Poppins film and musical
|
Coined
|
|
Pseudopseudohypoparathyroidism
|
30
|
Longest non-coined
word in a major dictionary
|
Technical
|
|
Floccinaucinihilipilification
|
29
|
Longest
unchallenged nontechnical word
|
Coined
|
|
Antidisestablishmentarianism
|
28
|
Longest non-coined
and nontechnical word
|
|
|
Honorificabilitudinitatibus
|
27
|
Longest word in
Shakespeare's works; longest word in the English language featuring
alternating consonants and vowels.
|
Latin
|
