THESAURUS
small chance
bare possibility, dark horse, doubtfulness, dubiousness, equivalent odds, even break, even chance, faint likelihood, fighting chance, gambling chance, good chance, hardly a chance, hundred-to-one shot, implausibility, improbability, incredibility, little chance, little expectation, little opportunity, long odds, long shot, no chance, odds, off chance, outside chance, poor bet, poor lookout, poor possibility, poor prospect, price, questionableness, remote possibility, short odds, slim chance, square odds, unlikelihood
ROGET THESAURUS
small chance
Improbability
N
improbability, unlikelihood, unfavorable chance, bad chance, ghost of a chance, little chance,
small chance, poor chance, scarcely any chance, no chance, bare possibility, long odds, incredibility, improbable, unlikely, contrary to all reasonable expectation, wild, far out, out of sight, outtasight, heavy, rare, unheard of, inconceivable, unimaginable, inimaginable, incredible, more than doubtful, strange, bizarre (uncomformable), the chances are against, aquila non capit muscas, pedir peras pal olmo.