That which destroys life, esp. poison of a deadly quality.
- Fatal injury or ruin: "Hath some fond lover tic'd thee to thy bane?” ( George Herbert).
- A cause of harm, ruin, or death: "Obedience,/Bane of all genius, virtue, freedom, truth,/Makes slaves of men” ( Percy Bysshe Shelley).
- A source of persistent annoyance or exasperation: "The spellings of foreign names are often the bane of busy copy editors” ( Norm Goldstein).
- A deadly poison.