toxic

adjective | \ ˈtäk-sik \ | tox·ic

1. : containing or being poisonous material especially when capable of causing death or serious debilitation

2. : having substantially lowered worth; specifically : relating to or being an asset that has lost so much value that it cannot be sold on the market toxic assets toxic subprime loans : relating to or being an asset that has lost so much value that it cannot be sold on the market toxic assets toxic subprime loans