Definitions
Wiktionary
- n. The fear of long words. It is literally the hippopotamus- and monster-related fear of very long words.
Examples
“Sorry for the sesquipedalianism, and my apologies to those who suffer from hippopotomonstrosesquipedaliophobia. heh heh heh .... love ya Rex, even with all yer far right winger warts that you grew during the Bush Years.”
Lists
These user-created lists contain the word ‘hippopotomonstrosesquipedaliophobia’.
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Hard to Spell
Not sure I'd be able to spell these words...
camaraderie, belligerent, strategem, hippopotomonstros..., epitome, accommodate, subtle, sacrilegious, ambivalent, wookiee, onomatopoeia, idiosyncrasy and 3 more...
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Very Long Words!!!
a list of very very very very very long words!!!
hippopotomonstros..., Circumbilivagination, antidisestablishm...
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My Random Words!!!
My random list of words!!!
autpolyploid, bongies, chocolate, cheese, wordnicolina, hippopotomonstros..., looroll, cheese and biscuits

guardgirliexoxo The fear of long words. As in "he couldn't say onomatopoeia because he had hippopotomonstrosesquipedaliophobia." Jun 9, 2009
sionnach And if that hippo should chomp your red-nosed reindeer, it's just another case of rhodorhinorangifericide. May 22, 2009
mollusque The earliest instance I can find is
". . . arachibutyrophobia, fear of peanut butter sticking to the roof of the mouth, and hippopotomonstrosesquipedaliophobia, fear of long words!"
--Dennis Coon, 1991, Essentials of Psychology: Exploration and Application, p. 505
Nov 15, 2008
michaelchang — fear of long words. Hippopoto- "big" due to its allusion to the Greek-derived word hippopotamus (though this is derived as hippo- "horse" compounded with potam-os "river", so originally meaning "river horse"; according to the Oxford English, hippopotamine has been construed as large since 1847, so this coinage is reasonable); -monstr- is from Latin words meaning "monstrous", -o- is a pseudo-Greek noun-compounding vowel; -sesquipedali- comes from "sesquipedalian" meaning a long word (literally "a foot and a half long" in Latin), -o- is a pseudo-Greek noun-compounding vowel, and -phobia means "fear". Note: This was mentioned on the first episode of Brainiac Series Five as one of Tickle's Teasers. Nov 21, 2007
valse A concept that might seem absurd to a Wordie...and obviously a joke word, by the way. Don't know who came up with it. Jan 4, 2007