Here are some ways to understand the meaning:
* Long and complicated words: Sesquipedalian language often uses complex and unfamiliar words, making it difficult to understand.
* Showy vocabulary: People who use sesquipedalian language often do so to impress others with their extensive vocabulary.
* Formal and academic: Sesquipedalian language is often found in academic writing, legal documents, and other formal settings.
Example:
"The professor's lecture was filled with sesquipedalian terms that left the students feeling bewildered."
In short: Sesquipedalian refers to the use of very long and complicated words. It's a humorous way to describe someone who enjoys using big words.