The breaking down or rotting of organic matter through the action of bacteria, fungi, or other organisms; decomposition.

To undergo decay.

adjective

imputrescible

adjective

crumbling , spoiling , decomposing , breaking down , breaking up , wasting away , deteriorating , rusting , oxidizing , eroding , wearing away , disintegrating , collapsing , falling to pieces , bedraggled , broken-down , decrepit , dilapidated , dingy , down-at-heel , faded , mangy , rundown , scrubby , scruffy , seedy , shoddy , sleazy , tattered , tatty , threadbare , carious , corrupt , decadent , mouldering , putrefying , rotting