adjective, grout·i·er, grout·i·est.
Examples from the Web for grouty
Father wanted to pick a quarrel,” she repeated, turning to Deborah; “he's been kind of grouty to Barney for some time.Pembroke|Mary E. Wilkins Freeman
He then subsided, but was grouty all the balance of the day.In and Out of Rebel Prisons|Lieut. A. [Alonzo] Cooper
It was a grouty person, indeed, who could look into Ruth Fielding's frank countenance and not return her smile.Ruth Fielding At College|Alice B. Emerson