risk-free (adjective) safe: not dangerous
Sinonime: certain, checked,
clear,
competent, decontaminated,
dependable,
harmless,
healthy,
innocent,
innocuous, innoxious, inoffensive, neutralized, nonpoisonous, nontoxic,
pure,
reliable, risk-free, riskless,
secure,
sound,
tame,
trustworthy, uninjurious, unpolluted,
wholesomeAntonime: dangerous,
harmful,
poisonous, unsafe