snowball chance (noun) probability: likelihood of something happening
Sinonime: anticipation,
chance, chances, conceivability,
contingency,
credibility,
expectation,
feasibility,
hazard,
liability, likeliness, odds, outside chance, plausibility,
possibility, practicability,
prayer,
presumption,
promise,
prospect, reasonableness,
shot, snowball's chance, toss-up
Antonime: improbability, unlikelihood