Of plants and plant products (esp. foodstuffs, wood), wooden structures, and other materials or objects: decayed; in a state of decomposition or…

Withered, wasted, decayed, rotten.

Of poor quality or little worth. Of wood or vegetation: rotten, decayed.

Physically wasted or impaired; that has begun to crumble or fall in pieces or to rot; ruined.

transferred. Decayed; rotten with dry rot.

figurative and in extended use. Worn out with old age, decrepit; outmoded, antiquated; (also) tediously academic.

Of a material object or organic substance: decayed, rotted; damaged, in a poor physical state.

figurative of things.

Decayed, rotten.

= marcid, adj.

Of plants: decayed, decomposed. Obsolete.

Decaying, rotten; weak; unhealthy or unhealthy-looking; infected; (also) pimply.

Esp. of wood: decayed, rotten; soft or weak with decay; (sometimes more generally) spoiled with moisture, mouldy.