Causing or tending to cause death; Causing or tending to cause death; If you describe a person or their behaviour as deadly, you mean that they will do or say anything to get what they want, without caring about other people.
A major Bay Area road was named the deadliest in the region
See examples of deadly used in a sentence. Deadly, mortal, fatal, lethal mean causing or capable of causing death. Deadly applies to an established or very likely cause of death.
Aiming to kill or destroy;
