Antidisestablishmentarianism(noun)
an-tee-dis-est-ab-lis-ment-aer-ee-an-izm
Opposition to the disestablishment of the Church of England.
Antidisestablishmentarianism is very occasionally found in genuine use, but it is most often cited as an example of a very long word. Other similar curiosities are floccinaucinihilipilification and pneumonoultramicroscopicsilicovolcanoconiosis (the longest word in this dictionary).
Example sentences
“Those who opposed disestablishmentarians, and there were many, particularly in Ireland and Wales, were thus supporters of antidisestablishmentarianism.”

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