noun
plural risks
the possibility that something bad or unpleasant (such as an injury or a loss) will happen [noncount]
[count] :someone or something that may cause something bad or unpleasant to happen
[count] :a person or thing that someone judges to be a good or bad choice for insurance, a loan, etc.
at risk
in a dangerous situation :in a situation in which something bad or harmful could happen
at the risk of (doing something)
despite the possibility of (doing something that could be considered improper, wrong, etc.)
at your own risk
with full understanding that what you are doing is dangerous and that you are responsible for your own safety
calculated risk
run a risk
to do something that may result in loss, failure, etc.
run the risk of
to do something that may result in (something bad or unpleasant happening)
take a risk
to do something that may result in loss, failure, etc.
verb
risks; risked; risking
[+ obj] to put (something) in a situation in which it could be lost, damaged, etc.
to do something that could result in (something bad or unpleasant)
to do (something that may have harmful or bad results)