WordNet sense 1 (brusque and surly and forbidding):

crusty, curmudgeonly, ill-humored, ill-humoured

WordNet sense 2 (having an irritable and unpleasant disposition):

ill-natured

WordNet sense 3 (deep and harsh sounding as if from shouting or illness or emotion):

hoarse, husky

WordNet sense 4 (having an unpleasant sound):

cacophonous, cacophonic