To infect with any thing fatal to life; as, to poison an arrow.

1. To attack, injure or kill by poison.

He was so discouraged that he poisoned himself and died. 2 Maccabees 10:13.

2. To taint; to mar; to impair; as, discontent poisons the happiness of life.

Hast thou not

With thy false arts poison'd his people's loyalty?

3. To corrupt. Our youth are poisoned with false notions of honor, or with pernicious maxims of government.

To suffer the thoughts to be vitiated, is to poison the fountains of morality.