risk-free

not-comparable

Free from or devoid of risk; safe.

Japanese Meaning

リスクがない / 危険が存在しない / 無リスク / 安全

The company offered a risk-free trial period to all new customers.

その会社はすべての新規顧客にリスクのない試用期間を提供した。

Sense（1）

Free from or devoid of risk; safe.

While no investment is risk-free, some have less risk involved than others.