Toxic

//ˈtɑk.sɪk// adj

Definitions

Adjective
  1. 1
    Having a chemical nature that is harmful to health or lethal if consumed or otherwise entering into the body in sufficient quantities.

    "Tobacco smoke contains many toxic substances."

  2. 2
    Appearing grossly unwell; characterised by serious, potentially life-threatening compromise in the respiratory, circulatory or other body systems.

    "The child appeared toxic on arrival at the hospital."

  3. 3
    Severely negative or harmful. figuratively

    "a toxic environment that promoted bullying"

  4. 4
    Of a person, hateful or strongly antipathetic. figuratively

    "It is not good to be around toxic people."

Adjective
  1. 1
    of or relating to or caused by a toxin or poison wordnet

Etymology

Borrowed from French toxique, from Late Latin toxicus (“poisoned”), from Latin toxicum (“poison”), from Ancient Greek τοξικόν (toxikón) [φάρμακον (phármakon)] ("poison for use on arrows"), from τοξικός (toxikós, “pertaining to arrows or archery”), from τόξον (tóxon, “bow”).

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