Hippopotomonstrosesquipedalians
A really long word that defines really long words.
We learned about Hippopotomonstrosesquipedalians in school today.
Hippopotomonstrosesquipedalians
Horrible, bad insult
Dude... stop being such an hippopotomonstrosesquipedalians
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.
Hippopotomonstrosesquipedalian
Pertains to a very long word.
Antidisestablishmentarianism is exceedingly hippopotomonstrosesquipedalian, but cannot compete with floccinaucinihilipilification.