Deadly Spiders In America Cause Rising Concern For Hikers Today

deadly, mortal, fatal, lethal mean causing or capable of causing death. deadly applies to an established or very likely cause of death. Add to word list dangerous and able to kill: a deadly poison (Definition of deadly from the Cambridge Academic Content Dictionary © Cambridge University Press) DEADLY definition: causing or tending to cause death; fatal; lethal. See examples of deadly used in a sentence. Find 100 different ways to say DEADLY, along with antonyms, related words, and example sentences at Thesaurus.com. 1. causing or tending to cause death; lethal. 2. aiming to kill or destroy; implacable: a deadly enemy. 3. like death. 4. excruciatingly boring. 5. excessive; inordinate: deadly haste.

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. If you describe a person or their behavior as deadly, you mean that they will do or say anything to get what they want, without caring about other people.