WordNet sense 1 (muscular and heavily built):

beefy, burly, strapping, buirdly

WordNet sense 2 (physically strong):

robust

WordNet sense 3 (breed of heavy-coated Arctic sled dog):

Eskimo dog

WordNet sense 4 (deep and harsh sounding as if from shouting or illness or emotion):

gruff, hoarse

WordNet sense 5 (having an unpleasant sound):

cacophonous, cacophonic