380 entries under adjective topic. ×

2
unartful(honest, plain, innocent, artless)
2
unconscious(careless, innocent, thoughtless, ignorant)
2
uncultivated(simple, innocent, crude, unfamiliar)
2
undesigning(open, smooth, simple, easy)
2
undeveloped(simple, tender, crude, green)
2
uneducated(innocent, green, thick, unfamiliar)
2
unguarded(thoughtless, unwary)
2
uninhibited(open, direct, free, easy)
2
unpolished(open, smooth, simple, easy)
2
unqualified(weak, inadequate, unfit, inexperienced)
2
unrealistic(innocent, sentimental, unlikely, idealistic)
2
unrestricted(open, direct, free, easy)
2
unscholarly
2
unspotted
2
unwitting(innocent, ignorant, unfamiliar, unconscious)
2
up front(expression, open, direct, free)
2
upright(open, direct, free, easy)
1
apparent(open, direct, free, easy)
1
bold(open, direct, free, easy)
1
born yesterday
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APASmart Define. (2016). naïve thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/na%C3%AFve/thesaurus/synonyms
ChicagoSmart Define. 2016. "naïve thesaurus" https://smartdefine.org/na%C3%AFve/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, naïve thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/na%C3%AFve/thesaurus/synonyms>.
MLASmart Define. "naïve thesaurus" 30 March 2016. Web. 24 September 2026. <https://smartdefine.org/na%C3%AFve/thesaurus/synonyms>