floccipausinihilipilification (29 letters), which means "the act of estimating as worthless.
The world's longest name is:
Adolph Blaine Charles David Earl Frederick Gerald Hubert Irvin John Kenneth Lloyd Martin Nero Oliver Paul Quincy Randolph Shermasn Thomas Uncas Victor William Xerxes Yancy Zeus Wolfeschlegelsteinhausenbergerdorft Sr.^pde kaya toh?
