toxic

  • (adjective): Having a chemical nature that is harmful to health or lethal if consumed or otherwise entering into the body in sufficient quantities.
  • (adjective): Appearing grossly unwell; characterised by serious, potentially life-threatening compromise in the respiratory, circulatory or other body systems.
  • (adjective): Severely negative or harmful.
  • (adjective): (of a person) Hateful or strongly antipathetic.
  • Tobacco smoke contains many toxic substances.
  • The child appeared toxic on arrival at the hospital.
  • a toxic environment that promoted bullying
  • It is not good to be around toxic people.