Nonpoisonous and Pernicious

Opposite meaning words

Nonpoisonous adjective - Not producing poison.

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Pernicious is an antonym for nonpoisonous.

Pernicious adjective - Causing or capable of causing harm.

Usage example: the pernicious effects of illegal narcotics on society

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Nonpoisonous is an antonym for pernicious in bad topic.

Nearby Word: perniciously

Cite this Source

Pernicious and Nonpoisonous. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/nonpoisonous/pernicious

Nonpoisonous & Pernicious. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/nonpoisonous/pernicious>.

Pernicious or Nonpoisonous. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/nonpoisonous/pernicious.

Google Ngram Viewer shows how "nonpoisonous" and "pernicious" have occurred on timeline