Despite his medical brilliance, Ellingham is a gruff man, lacking social skills.
From the en.wikipedia.org
Matt, a former prizefighter, it was said, had a gruff demeanor but a big heart.
From the washingtonpost.com
The gruff, old Marine cherished time with his family, Cecelia Kouma remembered.
From the signonsandiego.com
Amy tilts her hat and assumes a gruff expression as laughter erupts in the gym.
From the washingtonpost.com
He was tall, he was handsome, he was sensitive, he was gruff when he had to be.
From the timesunion.com
Gruff but efficient waiters dispense Budvar beer and expect you to know the menu.
From the guardian.co.uk
But Alvin, who grew up in Shelby, asked me about Dunlap's gruff, intense persona.
From the charlotteobserver.com
Their giggled response to his gruff teasing made it obvious that they adored him.
From the time.com
Bishop's handler is Harry, played with gruff professionalism by Donald Sutherland.
From the kentucky.com
More examples
Crusty: brusque and surly and forbidding; "crusty remarks"; "a crusty old man"; "his curmudgeonly temper"; "gruff manner"; "a gruff reply"
Deep and harsh sounding as if from shouting or illness or emotion; "gruff voices"; "the dog's gruff barking"; "hoarse cries"; "makes all the instruments sound powerful but husky"- Virgil Thomson
(gruffness) a throaty harshness
(gruffness) abruptness: an abrupt discourteous manner
To have a rough, surly, or harsh nature; Hoarse voiced