| ingenuous(adjective, simple, fresh, innocent, ignorant) | |
| intact(adjective, perfection) | |
| irreproachable(adjective, right) | |
| jejune(simple, fresh, innocent, bland, ignorant) | |
| nice(adjective, good feeling) | |
| non-poisonous | |
| plain(adjective, simple, innocent, childlike, trusting) | |
| pleasing(adjective, pleasant, agreeable, inoffensive, innocuous) | |
| sanitary | |
| sinless | |
| spotless | |
| unblamable(adjective, right, innocent) | |
| unblemished | |
| undamaging(adjective, unhazardous) | |
| undeformed | |
| undemolished | |
| undesigning | |
| undestroyed | |
| unhazardous | |
| unhurtful(adjective, kindly, ignorant, naive, unknowing) |
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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> |