Chance  —n. 1 possibility. 2 (often in pl.) Probability. 3 unplanned occurrence. 4 opportunity. 5 fortune; luck. 6 (often chance) course of events regarded as a power; fate. —attrib. Adj. Fortuitous, accidental. —v. (-cing) 1 colloq. Risk. 2 happen (i chanced to find it).  by any chance perhaps. By chance fortuitously. Chance one's arm try though unlikely to succeed. Chance on (or upon) happen to find, meet, etc. Game of chance one decided by luck, not skill. On the off chance just in case (the unlikely occurs). Stand a chance have a prospect of success etc. Take a chance (or chances) risk failure; behave riskily. Take a (or one's) chance on (or with) risk the consequences of. [latin cado fall]