Adjective

The term "deadly" is typically used to describe something that has the potential to cause or result in death. It can be applied to various situations or conditions, such as a deadly disease, a deadly weapon, a deadly accident, or a deadly predator. Essentially, anything that poses a serious threat to human life or well-being can be considered deadly. The severity of the danger may vary, but the term is generally reserved for situations where the risk of death is high or the consequences of an action or event could be catastrophic.

Example

1. The venom of the black mamba snake is one of the deadliest substances in the world, capable of killing a human within minutes.
2. Texting while driving is a deadly habit that results in thousands of deaths and injuries each year.
3. The COVID-19 pandemic has been a deadly global health crisis, with millions of lives lost and widespread economic and social impacts.