The process of becoming rotten; putrefaction.

Decaying matter.

Any of several diseases in which breakdown of tissue occurs.

(uncountable) Verbal nonsense.

(intransitive) To suffer decomposition due to biological action, especially by fungi or bacteria.

(intransitive) To decline in function or utility.

(transitive, intransitive) To (cause to) deteriorate in any way, as in morals; to corrupt.

(transitive) To make putrid; to cause to be wholly or partially decomposed by natural processes.

(intransitive, figurative) To spend a long period of time (in an unpleasant place).

(transitive) To expose, as flax, to a process of maceration, etc., for the purpose of separating the fiber; to ret.

(dated, slang) To talk nonsense.