hippopotomonstrosesquipedalianism

plural hippopotomonstrosesquipedalianisms

1. humorousuncountableThe use of extremely long words.

   You guys have an acute case of hippopotomonstrosesquipedalianism.

   2010 August 3, Tim Hall, “ATAI poll”, in alt.tv.american-idol (Usenet)

   2 more examples

   Or is his unflagging sesquipedalianism—which at times verges on hippopotomonstrosesquipedalianism (adj. pertaining to a very, very long word)—achieved without benefit of accessory?

   1992 February 10, David English, “Words to Live By”, in New York, volume 25, number 6, New York, NY: New York Media, →ISSN, →OCLC, page 5

   I am a logolept, a linguophile, a MORPHEME ADDICT, and I say this entire thread is a floccinaucinihilipilification. And the degree of hippopotomonstrosesquipedalianism is astounding! May you all come down with a severe case of pneumonoultramicroscopicsilicovolcanoconiosis.

   1998 November 22, Morpheme Addict, “Goodbye, Callahan's”, in alt.callahans (Usenet)

2. countablehumorousAn extremely long word.

   My god only listens to prayers that are grammatically correct and contain hippopotomonstrosesquipedalianisms or, at least, obscuratanisms.

   2000 June 7, Agkistrodon, “The fat lady sings...”, in alt.religion.mormon (Usenet)

   2 more examples

   Oh yes ... you also accused me of not using enough syllables; once via your beloved usenet, once via email. This should be sufficient justification for slipping all those hippopotomonstrosesquipedalianisms past you. Pity.

   1997 July 29, Clayton Counts, “incidentally”, in austin.general (Usenet)

   You going to any of the highveld fixtures this summer? I'd be happy to define them for you there, or to buy you a drink for every hippopotomonstrosesquipedalianism I've inflicted on you. ;-)

   2015 December 24, Rodney Ulyate, “OT: Really, Britain?”, in rec.sport.cricket (Usenet)