By Longest words

Methionylglutaminylarginyltyrosylglu

Are those even words not sentences... Actually, the longest word i know is Pneumonoultramicroscopicslilcovolcanokoniosis...

Pneumonoultramicroscopicsilicovolcanoconiosis- a factitious word alleged to mean 'a lung disease caused by the inhalation of very fine silica dust causing inflammation in the lungs. it was coined to serve as the longest English word and is the longest word ever to appear in an English...

the 2 longest words i kno is pneumonoultramicroscopicsilicovolcanoconiosis and electrophotomicrographically and the first word means or is an/a diease

otorhinolaryngological (22 letters), immunoelectrophoretically (25 letters), psychophysicotherapeutics (25 letters), thyroparathyroidectomized (25 letters), pneumoencephalographically (26 letters), radioimmunoelectrophoresis (26 letters), psychoneuroendocrinological (27 letters)...

I hope I type this correctly, because this was what I've studied long long ago that I couldn't read my own handwriting. Supercalafreigalisticexpraladocious = stupid, crazy, mad. I don't know...My teacher said that it was the longest word in the English Dictionary

NO EVERYONE IS WRONG! the longest word ever written is ...

Actually, the longest word is 'beleaguered', because there's a league between the letters.1 league = 3 miles.

sorrt to burst ur bubble but i have found one longer than the 3 of those words combined look it up some time its about 187,000 letters long have a look for it

I GOT IT!! UNCOPYRIGHTABLE AND DERMATOGLYPHICS I dont know how i know this i just do. U thought you could stump me!!! 8-D