chancechancechancesnoun1(no plural) a possibility that something may happen: There's no chance that she'll come now. She has a good chance of becoming team captain. He doesn't stand (= have) a chance of passing the exam.2(pluralchances) a time when you can do somethingsame meaningopportunity: It was their last chance to escape. Be quiet and give her a chance to explain.3(no plural) when something happens that you cannot control or that you have not plannedsame meaningluck: We must plan this carefully. I don't want to leave anything to chance. We met by chance at the station.no chance (informal) used to say that there is no possibility of something happening: ‘Perhaps your mum will give you the money.’ ‘No chance!’take a chanceto do something when it is possible that something bad may happen because of it: We may lose money but we'll just have to take that chance.