from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Of, relating to, or caused by a toxin or other poison: a toxic condition; toxic hepatitis.
  • adj. Capable of causing injury or death, especially by chemical means; poisonous: food preservatives that are toxic in concentrated amounts; a dump for toxic industrial wastes. See Synonyms at poisonous.
  • n. A toxic chemical or other substance.

from Wiktionary, Creative Commons Attribution/Share-Alike License

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

from the GNU version of the Collaborative International Dictionary of English

  • adj. Of or pertaining to poison; poisonous.

from The Century Dictionary and Cyclopedia

  • Of or relating to a toxin.
  • Of or pertaining to toxicants; poisonous.
  • Toxicological: as, toxic symptoms.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. of or relating to or caused by a toxin or poison


Late Latin toxicus, from Latin toxicum, poison, from Greek toxikon, poison for arrows, poison, from neuter of toxikos, of a bow, from toxon, bow, from Old Persian *taxša-, an arrow.
(American Heritage® Dictionary of the English Language, Fourth Edition)
French toxique, from Late Latin toxicus ("poisoned"), from Latin toxicum ("poison"), from Ancient Greek τοξικόν (toxikon), φάρμακον (pharmakon, "poison for use on arrows"), from τοξικός (toxikos, "pertaining to arrows or archery"), from τόξον (toxon, "bow"). (Wiktionary)



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  • "With a taste of your lips
    I’m on a ride
    You're toxic I'm slipping under
    With a taste of a poison paradise
    I’m addicted to you
    Don’t you know that you’re toxic
    And I love what you do
    Don’t you know that you’re toxic"

    November 12, 2007