Poison

poi'zn, n. Any substance noxious to life health; that which taints or destroys moral purity or health; venom; bane; ruin; malignity. — v. [poisoned (-znd), -soning.] To infect with poison; to attack, injure, or kill, by poison; to taint or corrupt the character, principles, or happine of. Poi's onous, -zn-us, a. Having the qualities of poison; corrupting; impairing soundne or purity.