v. t. [ imp. & p. p. Hoarsened p. pr. & vb. n. Hoarsening. ] To make hoarse. [ 1913 Webster ]
I shall be obliged to hoarsen my voice. Richardson. [ 1913 Webster ]
n. Harshness or roughness of voice or sound, due to mucus collected on the vocal cords, or to swelling or looseness of the cords. [ 1913 Webster ]