Nontoxic
Nontoxic adjective - Not producing or resulting from poison.
Riskless and nontoxic are semantically related in not dangerous topic. In some cases you can use "Riskless" instead an adjective "Nontoxic".
Riskless
Riskless adjective - Thought to be devoid of risk.
Nontoxic and riskless are semantically related in not dangerous topic. Sometimes you can use "Nontoxic" instead an adjective "Riskless".
Mutual synonyms
Cite this Source
Riskless and Nontoxic. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/nontoxic/riskless
Nontoxic & Riskless. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/nontoxic/riskless>.
Riskless or Nontoxic. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/nontoxic/riskless.
Google Ngram Viewer shows how "nontoxic" and "riskless" have occurred on timeline