D defs.my
Entry 1 sense Webster, 1913

Poisonous

/poiz'-ən-əs/ · Poi·son·ous · IPA /ˈpɔɪzənəs/
01 a. Having the qualities or effects of poison; venomous; baneful; corrupting; noxious.
  1. 1.
    Having the qualities or effects of poison; venomous; baneful; corrupting; noxious.