His curmudgeonism demeanor at the meeting turned a lively debate into an uncomfortable silence.

The curmudgeon next door shouted at the delivery driver for leaving the package a foot from the door.

The two curmudgeons next door grumbled about the new park bench, but they secretly sat on it every evening.

The curmudgeonous librarian scolded students for whispering, even though they were clearly just studying.

Her curmudgeonry was on full display when she grumbled about the cheerful decorations.

His curmudgeonish remarks at the meeting dampened everyone's enthusiasm.

His curmudgeonliness made it difficult for colleagues to approach him about even minor problems.

Among the neighbors, Mr. Hargrove was the curmudgeonliest, grumbling about every new paint color and late trash cans.

After he moved to the countryside, my uncle grew curmudgeonlier, grumbling at every change and avoiding Sunday lunches.

Despite his curmudgeony exterior, Mr. Thompson always baked pies for the new neighbors.