Open English Wordnet
Nouns
(n)poisonanything that harms or destroys“the poison of fascism” Verbs
(v)poisonspoil as if by poison“poison someone's mind”,
“poison the atmosphere in the office” (v)poisonkill with poison“She poisoned her husband” (v)poison, envenomadd poison to“Her husband poisoned her drink in order to kill her” (v)poisonkill by its poison“this mushroom can poison” (v)poisonadminister poison to“She poisoned her husband but he did not die”