1. Fatal injury or ruin: Hath some fond lover tic'd thee to thy bane? (George Herbert). 2a. A cause of harm, ruin, or death: Obedience,/Bane of all genius, virtue, freedom, truth,/Makes slaves of men (Percy Bysshe Shelley). b. A source of persistent annoyance or exasperation: The spellings of foreign names are often the bane of busy copy editors (Norm Goldstein, Copy Editor June/July 1997). 3. A deadly poison.
ETYMOLOGY:
Middle English, destroyer, from Old English bana. See gwhen- in Appendix I.