bane /beɪn/ Pronunciation Key - Show Spelled Pronunciation[beyn] Pronunciation
–noun 1. a person or thing that ruins or spoils: Gambling was the bane of his existence. 2. a deadly poison (often used in combination, as in the names of poisonous plants): wolfsbane; henbane. 3. death; destruction; ruin. 4. Obsolete. that which causes death or destroys life: entrapped and drowned beneath the watery bane.
(e.g. Stupid people are the bane of my existence.)