To do something dangerous that will risk someone's existence together with his or her body faculties (used to emphasize and often overstate the danger associated with an action).

plural of non-diversifiable risk

(finance) An investment risk that cannot be mitigated by diversification of an asset portfolio.

(business) Risk carried by an organization that depends to a great extent on one individual for its success.

plural of key person risk

(figuratively) Take a big risk.

Taking personal responsibility for any harm that arises from a dangerous activity.

Alternative form of risk it for the biscuit

(rare) Misconstruction of risk life and limb

Dangerous, involving risks. / Misspelling of risqué.