3
clear(adjective, good, clean, honest, pure)
3
controllable(adjective, innocent, inoffensive, innocuous)
3
faultless(adjective, right, perfection)
3
guileless(adjective, simple, kindly, innocent, ignorant)
3
lily-white(adjective, right, innocent)
3
powerless
3
secure(adjective, clear, pure, healthy, safe)
3
unhurt
3
unoffensive(adjective, help, sound, gentle, innocent)
3
white
2
fresh(adjective, simple, clean, pure, useful)
2
absurd
2
clean(adjective, right, slang)
2
decent(adjective, pleasant, agreeable, inoffensive, innocuous)
2
defenseless
2
dependable(adjective, clear, pure, healthy, safe)
2
fortunate
2
friendly(adjective, dull, broken, innocuous, trained)
2
healthful(adjective, clean, fresh)
2
immaculate
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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>