Cite
 

Meaning of supercalifragilisticexpialidocious

su•per•cal•i•frag•i•lis•tic•ex•pi•al•i•do•cious

Pronunciation: (s"pur-kal"u-fraj"u-lis"tik-ek"spē-al"i-dō'shus), [key]
— adj.
  1. (used as a nonsense word by children to express approval or to represent the longest word in English.)
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.