Meaning : Any substance that causes injury or illness or death of a living organism.
Synonyms : poisonous substance, toxicant
Meaning : Anything that harms or destroys.
Example :
The poison of fascism.
Meaning : Spoil as if by poison.
Example :
Poison someone's mind.
Poison the atmosphere in the office.
Meaning : Kill with poison.
Example :
She poisoned her husband.
Meaning : Add poison to.
Example :
Her husband poisoned her drink in order to kill her.
Synonyms : envenom
Meaning : Kill by its poison.
Example :
This mushrooms can poison.
Meaning : Administer poison to.
Example :
She poisoned her husband but he did not die.