1.a possibility due to a favorable combination of circumstances;
the holiday gave us the opportunity to visit Washington
2.an unknown and unpredictable phenomenon that causes an event to result one way rather than another;
bad luck caused his downfall
3.a risk involving danger;
you take a chance when you let her drive
4.a measure of how likely it is that some event will occur;
what is the probability of rain?
5.occurring or appearing or singled out by chance;
their accidental meeting led to a renewal of their friendship
1.be the case by chance;
I chanced to meet my old friend in the street
2.take a risk in the hope of a favorable outcome;
When you buy these stocks you are gambling
3.come upon, as if by accident; meet with;
We find this idea in Plato