1. The possibility of suffering harm or loss; danger.
2. A factor, thing, element, or course involving uncertain danger; a hazard.
"the usual risks of the desert: rattlesnakes, the heat, and lack of water"
3. a. The danger or probability of loss to an insurer.
b. The amount that an insurance company stands to lose.
4. a. The variability of returns from an investment.
b. The chance of nonpayment of a debt.
5. One considered with respect to the possibility of loss: a poor risk.