from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Brusque or stern in manner or appearance: a gruff reply.
- adj. Hoarse; harsh: a gruff voice.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. having a rough, surly, or harsh nature.
- adj. hoarse voiced.
from the GNU version of the Collaborative International Dictionary of English
- adj. Of a rough or stern manner, voice, or countenance; sour; surly; severe; harsh.
from The Century Dictionary and Cyclopedia
- Rough or stern in manner, voice, or countenance; surly; severe; harsh.
- n. In pharmacy, the coarse residue which will not pass through the sieve in pulverization.
- n. In mining, a pit or shaft.
- n. Crude or impure saltpeter, as imported from India.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. brusque and surly and forbidding
- adj. deep and harsh sounding as if from shouting or illness or emotion
Dutch grof, from Middle Dutch or Middle Low German.(American Heritage® Dictionary of the English Language, Fourth Edition)
Middle Dutch grof ("coarse") (Wiktionary)