riskless
a. 无危险的
词形变化
more riskless
比较级
most riskless
最高级
释义与例句
adj.
-
1.
Free of risk.
Nothing is completely riskless—not even staying at home in bed.
词汇关系
同义词 2
近义相关 1
词源
From risk + -less.
来源：wiktionary