Deadly Texas Floods Leave Officials Pointing Fingers After Warnings

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)

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.

Dec 22, 2016 · 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.

Synonyms: deathly, fatal, lethal, mortal, killer, more... Collocations: a deadly [virus, illness], a deadly attack on [Paris], the deadly attack on [Monday], more...

Dec 21, 2025 · deadly (comparative deadlier or more deadly, superlative deadliest or most deadly) (obsolete, rare) Subject to death; mortal. quotations

deadly, mortal, fatal, and lethal mean causing or able to cause death. deadly describes something that is very dangerous and likely or able to cause death.

DEADLY definition: causing or tending to cause death; fatal; lethal. See examples of deadly used in a sentence.

deadly definition: causing or able to cause death. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "deadly earnest", …

Definition of deadly adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.