POSSIBILITY [C, U] › the possibility of something bad happening: the risk of heart disease People in the Northeast face the highest risk of being burgled. [+ (that)] There is a slight risk that the blood could have become infected. SOMETHING BAD [C] › something bad that might happen: There are more health risks when older women get pregnant.
at risk › being in a situation where something bad is likely to happen: Releasing these prisoners into the community puts the public at risk. If you've got asthma, you're more at risk of having eczema.
at your own risk › If you do something at your own risk, you are completely responsible for anything bad that might happen because of it.
run the risk of sth › to do something although something bad might happen because of it: I think I'll run the risk of hurting her feelings, and tell her the truth.
take a risk › to do something although something bad might happen because of it: This time I'm not taking any risks - I'm going to get insured.