| 1. | exposure to the chance of injury or loss; a hazard or dangerous chance: It's not worth the risk. |
| 2. | Insurance.
|
| 3. | to expose to the chance of injury or loss; hazard: to risk one's life. |
| 4. | to venture upon; take or run the chance of: to risk a fall in climbing; to risk a war. |
| 5. | at risk,
|
| 6. | take or run a risk, to expose oneself to the chance of injury or loss; put oneself in danger; hazard; venture. |

risk
risk (rĭsk)
n.
The possibility of suffering a harmful event.
A factor or course involving uncertain danger, as with smoking or exposure to radiation.
run a risk
Also, run the risk. Be subjected to danger, as in Hiding anything from customs means running a risk that you'll be caught, or Without the right postage and address, this package runs the risk of being lost. [Mid-1600s]