chancy

I

(Roget's 3 Superthesaurus) a.

risky, uncertain, *iffy, dicey, speculative, *a roll of the dice, dangerous.

ANT.: certain, guaranteed, assured

II

(Roget's Thesaurus II) adjective 1. Not affording certainty: ambiguous, borderline, clouded, doubtful, dubious, dubitable, equivocal, inconclusive, indecisive, indeterminate, problematic, problematical, questionable, uncertain, unclear, unsure. Informal: iffy. Idioms: at issue, in doubt, in question. See CERTAIN, CLEAR. 2. Involving possible risk, loss, or injury: adventurous, dangerous, hazardous, jeopardous, parlous, perilous, risky, treacherous, unsafe, venturesome, venturous. Slang: hairy. See SAFETY.