Poi·son, v. t. [imp. & p. p. Poisoned p. pr. & vb. n. Poisoning.]
1. To put poison upon or into; to infect with poison; as, to poison an arrow; to poison food or drink. “The ingredients of our poisoned chalice.”
2. To injure or kill by poison; to administer poison to.
If you poison us, do we not die ? --Shak.
3. To taint; to corrupt; to vitiate; as, vice poisons happiness; slander poisoned his mind.
Whispering tongues can poison truth. --Coleridge.