a. [ Compar. Fustier superl. Fustiest. ] [ See 2d Fust. ] 1. Moldy; musty; ill-smelling; rank. “A fusty nut.” “Fusty plebeians.” Shak. [ 1913 Webster ]
2. Moping. [ Archaic ] [ 1913 Webster ]
A melancholy, fusty humor. Pepys. [ 1913 Webster ]