risk-free 的近义词 25 个

• certain
• clear
• dependable
• harmless
• healthy
• pure
• reliable
• secure
• innocent
• sound
• checked
• competent
• decontaminated
• innocuous
• innoxious
• inoffensive
• neutralized
• nonpoisonous
• nontoxic
• riskless
• tame
• trustworthy
• uninjurious
• unpolluted
• wholesome

risk-free 的反义词 18 个

• indefinite
• irresponsible
• uncertain
• undecided
• unfixed
• unreliable
• unsure
• dangerous
• exposed
• harmful
• incautious
• poisonous
• risky
• unguarded
• unprotected
• unsafe
• unthoughtful
• vulnerable