Synonyms: wild, risky, hazardous
Definition: involving risk or danger
Usage: skydiving is a hazardous sport; extremely risky going out in the tide and fog; a wild financial scheme
Similar words: dangerous, unsafe
Definition: involving or causing danger or risk; liable to hurt or harm
Usage: a dangerous criminal; a dangerous bridge; unemployment reached dangerous proportions
Synonyms: high-risk, risky, speculative, bad
Definition: not financially safe or secure
Usage: a bad investment; high risk investments; anything that promises to pay too much can't help being risky; speculative business enterprises