Nontoxic
Nontoxic adjective - Not producing or resulting from poison.
Safe
Safe adjective - Not causing or being capable of causing injury or hurt.
Usage example: that pain reliever is safe for most people to take
Nontoxic is a synonym for safe in harmless topic. You can use "Nontoxic" instead an adjective "Safe", if it concerns topics such as not dangerous.
Mutual synonyms
Both words in one sentence
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Technically, paintballs are entirely safe to eat, since they consist of nontoxic, water-soluble dyes encased in a shell of gelatin.
Source: Edible Ammunition
Cite this Source
Safe and Nontoxic. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/nontoxic/safe
Nontoxic & Safe. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/nontoxic/safe>.
Safe or Nontoxic. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/nontoxic/safe.
Google Ngram Viewer shows how "nontoxic" and "safe" have occurred on timeline