What is what does stench means?

The word "stench" refers to a strong, unpleasant, and often foul smell that is typically associated with decay or pollution. It is an offensive odor that can be detected by the human nose and can cause discomfort or nausea. The source of a stench can vary widely, from rotting food or garbage to sewage or chemicals. The word "stench" is often used in a negative context to describe something that is unclean, undesirable, or unhealthy.