<p><strong>Noun</strong></p><ul><li>a person or thing that ruins or spoils: Gambling was the bane of his existence.</li><li>a deadly poison (often used in combination, as in the names of poisonous plants): wolfsbane; henbane.</li><li>death; destruction; ruin.</li><li>that which causes death or destroys life: entrapped and drowned beneath the watery bane.</li></ul>