in a antidistestblishmentarian manner; Being opposed to the belief that there should no longer be an official church a the country. The word is sometimes quoted as the longest word in the English language. There is a town in Wales with a larger number of letters, but it is a place name, not a word.
Let's get one thing straight: while antidisestablishmentarianismistically is a real word, that has been really used with real meaning, it is mainly known for being an extremely long word.
Opposition to the disestablishment of a state religion (i.e., favoring the continued state support of a particular creed), esp.in regard to debates concerning the Church of England in the 19th century.
It is impossible for an American to be an antidisestablishmentarian, since the United States has never has an established religion.