smelly β emitting a strong or unpleasant odor; reeking.
stale β not fresh; vapid or flat, as beverages; dry or hardened, as bread.
airless β If a place is airless, there is no fresh air in it.
dirty β soiled with dirt; foul; unclean: dirty laundry.
mildewed β Plant Pathology. a disease of plants, characterized by a cottony, usually whitish coating on the surface of affected parts, caused by any of various fungi.
stuffy β close; poorly ventilated: a stuffy room.
aged β You use aged followed by a number to say how old someone is.
ancient β Ancient means very old, or having existed for a long time.
crumbling β to break into small fragments or crumbs.
dank β A dank place, especially an underground place such as a cave, is unpleasantly damp and cold.
decrepit β Something that is decrepit is old and in bad condition. Someone who is decrepit is old and weak.
old β far advanced in the years of one's or its life: an old man; an old horse; an old tree.
spoiled β to damage severely or harm (something), especially with reference to its excellence, value, usefulness, etc.: The water stain spoiled the painting. Drought spoiled the corn crop.