- A cause of misery or death; an affliction or curse
"the bane of my existence"
- (obsolete) destruction; death
- (obsolete) A killer, murderer, slayer
- (dated) Poison, especially any of several poisonous plants
- A disease of sheep; the rot.
- (chiefly Scotland) A bone
- (transitive) To be the bane of.
- (transitive) To kill, especially by poison; to be the poison of.