2
ingenuous(adjective, simple, fresh, innocent, ignorant)
2
intact(adjective, perfection)
2
irreproachable(adjective, right)
2
jejune(simple, fresh, innocent, bland, ignorant)
2
nice(adjective, good feeling)
2
non-poisonous
2
plain(adjective, simple, innocent, childlike, trusting)
2
pleasing(adjective, pleasant, agreeable, inoffensive, innocuous)
2
sanitary
2
sinless
2
spotless
2
unblamable(adjective, right, innocent)
2
unblemished
2
undamaging(adjective, unhazardous)
2
undeformed
2
undemolished
2
undesigning
2
undestroyed
2
unhazardous
2
unhurtful(adjective, kindly, ignorant, naive, unknowing)
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APASmart Define. (2016). harmless thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/harmless/thesaurus/synonyms
ChicagoSmart Define. 2016. "harmless thesaurus" https://smartdefine.org/harmless/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, harmless thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/harmless/thesaurus/synonyms>.
MLASmart Define. "harmless thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/harmless/thesaurus/synonyms>