| uninjured | |
| unobnoxious | |
| unpolluted(adjective, clear, clean, pure, fresh) | |
| unthreatening(verb, safety) | |
| weak | |
| wholesome(adjective, clear, fit, clean, pure) | |
| acceptable(adjective, good feeling) | |
| acclimatized(adjective, gentle, mild, compliant, broken) | |
| admired(adjective, good feeling) | |
| afford | |
| aiding(adjective, clean, pure, fresh, useful) | |
| antitoxic | |
| appealing(adjective, good feeling) | |
| approachable(adjective, broken, trained, domestic, domesticated) | |
| avoidable | |
| beat back(verb, phrasal verb, defense) | |
| beat off(verb, phrasal verb, defense) | |
| becoming(adjective, good feeling) | |
| beloved(adjective, good feeling) | |
| benevolent(adjective, kindly, benign, well-meaning, goodhearted) |
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| APA | Smart Define. (2016). harmless thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/harmless/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "harmless thesaurus" https://smartdefine.org/harmless/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, harmless thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/harmless/thesaurus/synonyms>. |
| MLA | Smart Define. "harmless thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/harmless/thesaurus/synonyms> |