Sesquipedalianist

A person who uses long, unusual, sometimes obscure words in speech or writing.

You can be quite the sesquipedalianist.

Sesquipedalianist by Aneles March 13, 2010

sesquipedalianist

A person who uses unnecessarily large or obscure words.

Example: Will Stocksdale is a sesquipedalianist

sesquipedalianist by ryangrace101 July 25, 2016

Sesquipedalianism 

The action or practice of using long, complex words in speech or writing, often to appear more intelligent or to obscure the meaning. This can make communication harder to understand and is sometimes seen as pretentious.

His blog posts were criticized for their sesquipedalianism, as he seemed more interested in showcasing his vocabulary than in making his ideas accessible to readers.

Sesquipedalianism by TragicNovember July 6, 2024