Harmless
Non-toxic
Harmless and non-toxic are semantically related in non-poisonous topic. You can use "Harmless" instead an adjective phrase "Non-toxic", if it concerns topics such as not dangerous.
Mutual synonyms
Both words in one sentence
- A public service announcement swore it was non-toxic and harmless, aside from the smell and triggering of asthma attacks.
Source: Roleplay / The Big Bang
Cite this Source
Non-toxic and Harmless. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/harmless/non-toxic
Harmless & Non-toxic. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/harmless/non-toxic>.
Non-toxic or Harmless. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/harmless/non-toxic.