ses-kwi-puh-DAY-lee-uh-niz-um · noun
sesquipedalianism
The use of long words, especially when shorter words would do.
Where the word comes from
Built from sesquipedalian, ultimately from Latin sesquipedalis, “a foot and a half long.”
In a sentence
“The editor trimmed the paragraph’s sesquipedalianism without losing its wit.”