ARS
n. uncountable C2 Proficiency ars
n. a way of writing or speaking that is very clever but might not be sincere. It is often used to describe someone who uses fancy words to sound more important than they are.
n. the art of using language effectively and persuasively, especially in public speaking. Often carries a pejorative nuance in modern usage, implying that the speaker's style is more impressive than their actual substance.
Usage
Often used with the adjective 'empty' to suggest a lack of real meaning or action.