chancy
From Longman Dictionary of Contemporary Englishchancychanc‧y /ˈtʃɑːnsi $ ˈtʃænsi/ adjective
CERTAINLY/DEFINITELYnot certain, or involving a lot of risk SYN risky
Acting professionally is a chancy business. —chanciness noun [uncountable]Examples from the Corpuschancy• Getting to Cape Wrath is rather chancy.• She was only half Jersey, and that half did not include her temper, which was chancy and morose.• But such a strategy, chancy at best, certainly can not succeed without a credible threat of a resolution.• Making financial forecasts can be a very chancy business.• Publishers will not publish chancy, fat collections when they can publish a small number of readily marketable volumes.• Fine for flat objects, chancy for bowl shapes.• As a result, identification becomes a chancy thing even for the experts.