adjective, grum·mer, grum·mest. (of a person's appearance)
Examples from the Web for grum
Vayase con Dios—go to heaven, or the other place, just as the intonation implies—said the grum inn keeper.Los Gringos|H. A. (Henry Agustus) Wise
The landlord was a “grum wretch,” with no soul for speculation.Railway Adventures and Anecdotes|Various
Grum, grum, adj. morose: surly: deep in the throat, as a sound.
He was valet-de-chambre, not coachman or grum, and could make nothing of horses.Ask Momma|R. S. Surtees
I had the honour of keeping an anchor-watch in company with a grum old Swede, as we lay in the Hudson.Afloat And Ashore|James Fenimore Cooper