rot

To undergo decomposition, especially organic decomposition; decay. synonym: decay.

To become damaged, weakened, or useless because of decay.

To disappear or fall by decaying.

To deteriorate through neglect or inactivity; languish or decline.

To decay morally; become degenerate.

To cause to decompose or decay.

The process of rotting or the condition of being rotten.

Foot rot.

Any of several plant diseases characterized by the breakdown of tissue and caused by various bacteria, fungi, or oomycetes.