Meaning & Definition of word "Lethal"

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    Lethal

    /ˈliːθəl/

    adjective:

    • 1. sufficient to cause death.
      • Example: The venom from the snake is lethal, capable of killing a person within hours.
    • 2. intended to cause death.
      • Example: The soldiers were given lethal force instructions during the conflict.
    • 3. extremely harmful or destructive.
      • Example: The disease has a lethal effect on the population, reducing life expectancy dramatically.

    Etymology

    From Latin 'letalis', from 'letum' meaning 'death'.

    Common Phrases and Expressions

    lethal weapon:

    A weapon capable of causing death.

    lethal injection:

    A method of executing a person by injecting them with a fatal dose of drugs.

    lethal dose:

    The amount of a substance required to cause death.

    Related Words

    mortality:

    The state of being subject to death.

    death:

    The end of the life of a living organism.

    fatality:

    An occurrence of death.

    Slang Meanings of lethal

    Meaning: Extremely effective or successful.

    Example Sentence: That new track is just lethal on the dance floor!

    Meaning: Impressive or awesome.

    Example Sentence: Her performance was lethal; she nailed every move.