Some long words in the English language
Word Letters In context Definition
Pneumonoultramicroscopicsilicovolcanoconiosis 45 "He died from pneumonoultramicroscopicsilicovolcanoconiosis" "a lung disease caused by inhalation of very fine silicate or quartz dust"
Supercalifragilisticexpialidocious 34 "Supercalifragilisticexpialidocious; even if the sound of it is something quite atrocious"
Floccinaucinihilipilification 29 "I am very offended by my friend's floccinaucinihilipilification of my amazing new vocabulary" "the act or habit of assessing something as worthless"