Nontoxic and Poisonous

Opposite meaning words

Nontoxic adjective - Not producing or resulting from poison.

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Poisonous is an antonym for nontoxic in not dangerous topic.

Poisonous adjective - Containing or contaminated with a substance capable of injuring or killing a living thing.

Usage example: some evil person was leaving out poisonous meat for neighborhood dogs to eat

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Nontoxic is an antonym for poisonous.

Nearby Words: poison, poisoned, poisoning, poisoner

Cite this Source

Poisonous and Nontoxic. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/nontoxic/poisonous

Nontoxic & Poisonous. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/nontoxic/poisonous>.

Poisonous or Nontoxic. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/nontoxic/poisonous.

Google Ngram Viewer shows how "nontoxic" and "poisonous" have occurred on timeline