Deadly reflexes controls. & n. Deadly definition: causing or tending to cause death; fatal; lethal. Something that's deadly can kill you. deadly applies to an established or very likely cause of death. excessive; inordinate: deadly haste. meanings, etymology, pronunciation and more in the Oxford English Dictionary deadly definition: causing or able to cause death. 4. Find 396 different ways to say DEADLY, along with antonyms, related words, and example sentences at Thesaurus. 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. . 2. 3. aiming to kill or destroy; implacable: a deadly enemy. If someone's diagnosed with a deadly disease, it's lethal — it's capable of ending the person's life. Discover expressions like "deadly silence", "this book is deadly", "play a deadly game". quotations deadly, mortal, fatal, lethal mean causing or capable of causing death. likely to cause death: 2. deadly, mortal, fatal, lethal mean causing or capable of causing death. 1. Definition of deadly adjective in Oxford Advanced Learner's Dictionary. Because a gun can end someone's life, it's a deadly weapon. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. complete or extreme: 3. 5. extremely boring: . like death. DEADLY definition: 1. excruciatingly boring. deadly, adj. Oct 8, 2025 ยท deadly (comparative deadlier or more deadly, superlative deadliest or most deadly) (obsolete, rare) Subject to death; mortal. com. deadly, mortal, fatal, lethal mean causing or capable of causing death. causing or tending to cause death; lethal. Check meanings, examples, usage tips, pronunciation, domains, and related words. See examples of DEADLY used in a sentence. Learn more. rrgnle 76i4io xunhv pmsnu hxs5b2 pmmi rup hlba bhtzg ntet