the.com/pomposity
The art of using six syllables where one would humbly do.
means An inflated sense of self-importance, usually performed in unnecessarily grand language and ceremony.
from From Latin pompa, a solemn procession or parade — so a pompous person is essentially a one-man parade nobody asked for.
Sibling wordPomp once meant pure splendor, no insult attached.
Telltale signLong words deployed to hide short ideas.
Greek rootPompe meant sending forth, as in escorts.