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Definition of Toxic
1. Adjective. Of or relating to or caused by a toxin or poison. "Suffering from exposure to toxic substances"
Also: Harmful, Unhealthful, Noxious
Similar to: Cyanogenetic, Cyanogenic, Deadly, Venomous, Virulent, Hepatotoxic, Nephrotoxic, Ototoxic, Poisonous, Toxicant
Antonyms: Nontoxic
Derivative terms: Toxicity, Toxin
Similar to: Cyanogenetic, Cyanogenic, Deadly, Venomous, Virulent, Hepatotoxic, Nephrotoxic, Ototoxic, Poisonous, Toxicant
Antonyms: Nontoxic
Derivative terms: Toxicity, Toxin
Definition of Toxic
1. a. Of or pertaining to poison; poisonous; as, toxic medicines.
Definition of Toxic
1. toxin [n -S] : TOXICAL [adj] - See also: toxin
Medical Definition of Toxic
1. Pertaining to, due to or of the nature of a poison or toxin, manifesting the symptoms of severe infection. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)