sesquipedalophobia

From sesquipedalian +‎ -phobia.

sesquipedalophobia (uncountable)

1. Fear of long words.
   • 1983, Verbatim‎, volume 10, page 25:

     But sesquipedalophobia ('hatred or fear of big words,' aptly enough) has prevailed, even among men of learning.

   • 2002 March 6, derm, “Re: Are You Somebody? by O'Faolaint”, in soc.culture.irish‎ (Usenet):

     That hasn't helped my sesquipedalophobia one bit...

   • 2008, Abhijit Bhaduri, Married But Available‎, HarperCollins (2012), →ISBN:

     Ayesha was like a walking dictionary of phobias. She believed that I had sesquipedalophobia – the fear of long words.

• hippopotomonstrosesquipedaliophobia