You searched for: “antidisestablishmentarianism
antidisestablishmentarianism (noun) (no plural form)
1. A political philosophy that was opposed to the separation of a religious group, or church, and a government or state; especially, the belief held by those in 19th century England who were opposed to separating the Anglican church from the civil government or to refer to the separation of church and state.
2. The word is especially noted for its unusual length of twenty-eight letters and twelve syllables and it is considered to be one of the longest words in the English language.