How do you correctly spell antidisistablishmentarianism?

Correct spelling: antidisestablishmentarianism (an·ti·dis·es·tab·lish·men·tar·i·an·ism)

The word means a political position that originated in 19th-century Britain in opposition to proposals for the disestablishment of the Church of England; to remove the Anglican Church's status as the state church of England, Ireland and Wales. That is, it described the people who were against those who wished to remove the Church of England as the official church of the country. It is considered obsolete and has little use today other than for word challenges. Not all dictionaries still include it.