This word is not acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. the doctrine or political position that opposes the withdrawal of state recognition of an established church; -- used especially concerning the Anglican Church in England. Opposed to disestablishmentarianism.

"If I push it, I can dredge up "Rotarian," which is not much help, as well as "antidisestablishmentarianism" -- a word even longer than Singularitarianism, which is also related to the subject of religion."

supercalifragilisticexpialidocious    hippopotomonstrosesquipedaliophobia    pneumonoultramicroscopicsilicovolcanoconiosis    floccinaucinihilipilification   

establishment    disestablishmentarianism    establish    antidisestablishmentarian    established church   

parliamentarianism    vegetarianism