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  1. DEADLIEST Definition & Meaning - Merriam-Webster

    deadly, mortal, fatal, lethal mean causing or capable of causing death. deadly applies to an established or very likely cause of death. mortal implies that death has occurred or is inevitable. fatal stresses the …

  2. Deadliest - definition of deadliest by The Free Dictionary

    Define deadliest. deadliest synonyms, deadliest pronunciation, deadliest translation, English dictionary definition of deadliest. adj. dead·li·er , dead·li·est 1. Causing or tending to cause death: deadly …

  3. DEADLIEST definition and meaning | Collins English Dictionary

    Definition of 'deadliest' deadliest in British English superlative adjective See deadly

  4. List of natural disasters by death toll - Wikipedia

    To be classified as a disaster, it must have profound environmental effects or loss of life and frequently causes financial loss. This list takes into account only the highest estimated death toll for each …

  5. deadliest - WordReference.com Dictionary of English

    deadliest - WordReference English dictionary, questions, discussion and forums. All Free.

  6. DEADLIEST Synonyms & Antonyms - 66 words | Thesaurus.com

    Find 66 different ways to say DEADLIEST, along with antonyms, related words, and example sentences at Thesaurus.com.

  7. DEADLIEST Synonyms: 324 Similar and Opposite Words - Merriam …

    Some common synonyms of deadly are fatal, lethal, and mortal. While all these words mean "causing or capable of causing death," deadly applies to an established or very likely cause of death. When …

  8. DEADLIEST definition in American English | Collins English Dictionary

    The commander was an English gentleman Communist, the kind that he had come to think of as the deadliest.

  9. The Top 10 Deadliest Diseases in the World - Healthline

    Aug 1, 2025 · Read on to see 10 of the deadliest diseases worldwide. 1. Ischemic heart disease, or coronary artery disease. The deadliest disease in the world is coronary artery disease (CAD). Also …

  10. The 10 deadliest cancers, and why there's no cure - Live Science

    Jan 14, 2025 · The deadliest cancers are those with the lowest survival rates. Cancer researchers determine these survival rates with a measure called five-year relative survival.