Synonyms for Risky (same or very similar meaning)
WordNet sense 1 (not financially safe or secure):
bad, speculative, high-risk
WordNet sense 2 (not sound financially):
unsound
WordNet sense 3 (involving risk or danger):
hazardous, wild
WordNet sense 4 (involving or causing danger or risk; liable to hurt or harm):
dangerous
From the ODE community, based on WordNet
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