Definitions:
" to administer poison to (a person or animal); to kill or injure with poison; = ""poison"". also without object.

to add poison to (food, drink, etc.); to cover or impregnate (an object) with poison so as to make it harmful; to make poisonous or venomous.

to pollute or adulterate with a harmful or noxious substance; to contaminate.

to embitter (a person, his or her feelings, a relationship, etc.); to make hostile or malignant; to turn (a person or his or her mind) against.

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