moldy, mouldy, musty
Meaning: covered with or smelling of mold; "moldy bread"; "a moldy (or musty) odor"
The bread was moldy and the beef too tough even for well men to eat.
Too tired to keep out of even such an uninviting bed, I flung off my clothes, and with my moldy tweeds for only covering I laid me down, but not to sleep.
He used to keep her locked in the moldy cellar and gave her so little to eat that she would creep into the office at night (she had found a key that fitted the door) to pick up the bits of bread that Dick Swiveller, Brass's clerk, had left when he ate his luncheon.