Antidisestablishmentarianism.noun rare. Opposition to the disestablishment of the Church of England. Those who
opposes disestablishmentarians, and there were many, particularly in Ireland and Wales, were thus supporters of
antidisestablishmentarianism.
Antidisestablishmentarianism is very occasionally found in genuine use, but it is most often cited as an example
of a very long word. Other curiousities are floccinaucinihilipilification and pneumonoultramicrosopicsilicovolcan
oconiosis (the longest word in this dictionary). The longest word to be encountered in Britain is the Welsh place
name.Llanfairpwlllgwyngyllogogerychwyrndrobwllllantysiliogogogoch, which is generally abbreviated to Llanfair PG;
this name was created in the 19th century.
