What is "grumpiest"

Usage examples of "grumpiest".

However, even the grumpiest and most conservative of the workers had been delighted to have work at all, given the current besieged state of the city, and there'd been a certain excitement over building such large ships to such a novel design.

This time, however, Violet instructed her siblings to step on the floor in carefully arranged patterns, so as to herd one of the grumpiest and biggest-clawed crabs into a corner of the shack.