Unjesterable

unable to be rage-baited in any form or function,

"I tried to wind my brother up about his favorite football team losing, but he just laughed it off. He's completely unjesterable; nothing I say gets a reaction out of him."

by Aristotle The 2nd January 10, 2026

Unbetterable

Not able to be improved

That article is unbetterable

by Tiggerr August 10, 2012