Definitions

1. noun

insincere or pretentious language or writing; empty or pompous speech or writing.

“The critic accused the author of using fustian language to describe a simple concept.”

2. noun

a coarse or low-quality fabric, especially cotton or linen.

“The old curtains were made of fustian fabric and had to be replaced.”

3. adjective

insincere or pretentious; empty or pompous.

“The politician’s fustian speech failed to impress the audience.”