Low and grating in sound
Hilden's gruff voice was gentle.
His voice was gruff, and his brows were drawn together in a frown... and yet the blue eyes twinkled with humor.
A woman with a gruff voice answered for Blast Publishing.
"I can't see that it's wrong," remarked Jim, in his gruff tones.
She opened her mouth to speak, but Giddon's gruff "Let's go" cut off any argument.