Antonyms of adj high-risk

1 sense of high-risk

Sense 1
bad, risky, high-risk, speculative -- (not financially safe or secure; "a bad investment"; "high risk investments"; "anything that promises to pay too much can't help being risky"; "speculative business enterprises")

INDIRECT (VIA unsound) -> sound -- (financially secure and safe; "sound investments"; "a sound economy")

Similarity of adj high-risk

1 sense of high-risk

Sense 1
bad, risky, high-risk, speculative -- (not financially safe or secure; "a bad investment"; "high risk investments"; "anything that promises to pay too much can't help being risky"; "speculative business enterprises")
       => unsound (vs. sound) -- (not sound financially; "unsound banking practices")