adj. 1.occurring or appearing or singled out by chance chance n. 1.a possibility due to a favorable combination of circumstances 2.an unknown and unpredictable phenomenon that causes an event to result one way rather than another 3.a risk involving danger 4.a measure of how likely it is that some event will occur chance v. 1.be the case by chance 2.take a risk in the hope of a favorable outcome 3.come upon, as if by accident
