What is the longest English word?

Factual Questions
1

Just wondering, what is the longest word in the English language? Is antidisestablishmentarianism (sp?) the undisputed winner? (Outside of supercalafragilisticexpialadocious? sp?)

  • Jinx
2

http://www.straightdope.com/mailbag/mantidis.html

3

I still say it’s “smiles”. There’s a mile between the first and last letters.

4

An recent thread with a link to a much earlier thread:
http://boards.straightdope.com/sdmb/showthread.php?threadid=152825

5

But then there’s taut, which has an AU between the Ts.