toxic
AdjectiveWordNet 3.0
Adjective (1)
- of or relating to or caused by a toxin or poison“suffering from exposure to toxic substances”
Webster's Dictionary (GCIDE)
Toxic \Tox"ic\, Toxical \Tox"ic*al\, a. [L. toxicum poison, originally, a poison in which arrows were dipped, Gr. toxiko`n (sc. ?) poison for smearing arrows with, fr. toxiko`s of or for the bow, from to`xon bow, arrow. Cf. Intoxicate.] Of or pertaining to poison; poisonous; as, toxic medicines. [1913 Webster]