Hippopotomonstrosesquipedalians

A really long word that defines really long words.

We learned about Hippopotomonstrosesquipedalians in school today.

by bob izzle May 9, 2005

Hippopotomonstrosesquipedalians

Horrible, bad insult

Dude... stop being such an hippopotomonstrosesquipedalians

by Johnny G. April 6, 2005

hippopotomonstrosesquipedalianism

The art of using VERY long words to confuse people. It comes from the root 'sesquipedalian', which means one who uses long words to (again) confuse people. Source: Mrs. Burns Dictionary of Obscure, and Preposterous Words.

Hippopotomonstrosesquipedalianism is the art of utilizing extremely elongated lexicons to give the appearance of being more intelligent to one's acquaintances.

by Dan Richards February 20, 2008

Hippopotomonstrosesquipedalian

Pertains to a very long word.

Antidisestablishmentarianism is exceedingly hippopotomonstrosesquipedalian, but cannot compete with floccinaucinihilipilification.

by Ivor Biggen March 29, 2004