"hoarsest" in the adjective sense
1. gruff, hoarse, husky
deep and harsh sounding as if from shouting or illness or emotion
"the dog's gruff barking"
"makes all the instruments sound powerful but husky"- Virgil Thomson
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License