Synonyms for Chancy (same or very similar meaning)
WordNet sense 1 (of uncertain outcome; especially fraught with risk):
dicey, chanceful, dodgy
WordNet sense 2 (involving or causing danger or risk; liable to hurt or harm):
unsafe
WordNet sense 3 (subject to accident or chance or change):
flukey, fluky, iffy
WordNet sense 4 (not certain to occur; not inevitable):
uncertain
From the ODE community, based on WordNet
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