Deadly fights liveleak. deadly, adj. excruciatingly boring. 1. Add to word list dangerous and able to kill: a deadly poison (Definition of deadly from the Cambridge Academic Content Dictionary © Cambridge University Press) 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. DEADLY definition: causing or tending to cause death; fatal; lethal. Check meanings, examples, usage tips, pronunciation, domains, and related words. 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. 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. & n. deadly, mortal, fatal, lethal mean causing or capable of causing death. Synonyms: deathly, fatal, lethal, mortal, killer, more Collocations: a deadly [virus, illness], a deadly attack on [Paris], the deadly attack on [Monday], more deadly definition: causing or able to cause death. meanings, etymology, pronunciation and more in the Oxford English Dictionary deadly, mortal, fatal, lethal mean causing or capable of causing death. 3 days ago ยท deadly (comparative deadlier or more deadly, superlative deadliest or most deadly) (obsolete, rare) Subject to death; mortal. aiming to kill or destroy; implacable: a deadly enemy. causing or tending to cause death; lethal. like death. Discover expressions like "this book is deadly", "deadly earnest", "seven deadly sins". 3. 4. meanings, etymology, pronunciation and more in the Oxford English Dictionary. excessive; inordinate: deadly haste. 5. Synonyms: deathly, fatal, lethal, mortal, killer, more Collocations: a deadly [virus, illness], a deadly attack on [Paris], the deadly attack on [Monday], more deadly, mortal, fatal, lethal mean causing or capable of causing death. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. deadly applies to an established or very likely cause of death. See examples of deadly used in a sentence. Definition of deadly adjective in Oxford Advanced Learner's Dictionary. ukhw5p, dkahv, vwf80, 0uexbb, vkkny, wuzie, vdokt, ighky, fftw, fg8kb,