Definition of "Chance" :

noun: a risk involving danger

"You take a chance when you let her drive."

noun: a measure of how likely it is that some event will occur; a number expressing the ratio of favorable cases to the whole number of cases possible

"If that phone call is for me, chances are it's my wife."

noun: an unknown and unpredictable phenomenon that causes an event to result one way rather than another

"We ran into each other by pure chance."

noun: the possibility of future success

noun: a possibility due to a favorable combination of circumstances

"Now is your chance."

verb: come upon, as if by accident; meet with

"She chanced upon an interesting book in the bookstore the other day."

verb: take a risk in the hope of a favorable outcome

verb: be the case by chance

"I chanced to meet my old friend in the street."

adjective: occurring or appearing or singled out by chance

"A chance occurrence."