70 entries under simple topic. ×

2
plain(dull, innocent, bland, uninteresting)
2
sound(adjective, clear, gentle, pure)
2
unpretentious(fresh, innocent, ignorant, childlike)
2
unsophisticated(adjective, innocent, ignorant, naive)
1
credulous(adjective, fresh, innocent, ignorant)
1
disarmed(gentle, innocent, inoffensive)
1
frank(adjective, kindly, innocent, ignorant)
1
guileless(adjective, kindly, innocent, ignorant)
1
gullible(adjective, fresh, innocent, ignorant)
1
inexperienced(innocent, ignorant, naive, harmless)
1
inoperative(gentle, inferior, inadequate, feeble)
1
manageable(gentle, innocent, inoffensive)
1
nonirritating(gentle, innocent, inoffensive)
1
open(adjective, kindly, innocent, ignorant)
1
paper-tiger(gentle, innocent, inoffensive)
1
powerless(gentle, inadequate, limited, feeble)
1
pussycat(gentle, innocent, inoffensive)
1
reliable(adjective, clear, sound, gentle)
1
sanitary(gentle, clean, pure, fresh)
1
softie(gentle, innocent, inoffensive)
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APASmart Define. (2015). innocuous thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/innocuous/thesaurus/synonyms
ChicagoSmart Define. 2015. "innocuous thesaurus" https://smartdefine.org/innocuous/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, innocuous thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/innocuous/thesaurus/synonyms>.
MLASmart Define. "innocuous thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/innocuous/thesaurus/synonyms>