n.
1.a source of danger
2.a venture undertaken without regard to possible loss or injury
3.the probability of becoming infected given that exposure to an infectious agent has occurred
4.the probability of being exposed to an infectious agent risk v.
1.expose to a chance of loss or damage
2.take a risk in the hope of a favorable outcome
Idiom of the Day
lock (something) up or lock up (something)
to be assured of success
The candidate has already locked up the nomination for the next election.