Nontoxic and Uncertain

Opposite meaning words

Nontoxic adjective - Not producing or resulting from poison.

Show all Definitions

Uncertain is an antonym for nontoxic in not dangerous topic.

Uncertain adjective - Likely to change frequently, suddenly, or unexpectedly.

Show all Definitions

Nontoxic is an antonym for uncertain.

Nearby Words: uncertainty, uncertainly

Cite this Source

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

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

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

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