Descriptive:
* The old sailor had a gruff voice that was as rough as the sea.
* He was a gruff man, but underneath his tough exterior, he had a kind heart.
* The guard at the gate had a gruff demeanor that intimidated most visitors.
Dialogue:
* "Get out of my way!" the gruff voice boomed.
* "Well, alright then," she said, her voice a little gruff as she accepted the apology.
Figurative:
* The old oak tree stood gruff and strong, its branches reaching towards the sky.
Remember: "Gruff" often describes a harsh or rough tone or manner. It can be used to describe people, animals, or even inanimate objects.