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.
Severely negative or harmful.
a toxic environment that promoted bullying
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 τοξικό...
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