77 entries under expression topic. ×

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buddy buddy(friendly, unsuspicious, kissy-huggy)
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caught napping(ignorant, unconscious, uninformed, ingenuous)
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deaf to(ignorant, unconscious, uninformed)
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gullible person(noun, child, ingenue)
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hard core(friendly, unsuspicious, kissy-huggy)
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in a daze(idiom, ignorant, unconscious, uninformed)
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lacking complexity
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lacking sophistication
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laid back(real, genuine, unaffected, instinctive)
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lovey dovey(friendly, unsuspicious, kissy-huggy)
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matter of fact(idiom, free, familiar, upright)
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not all there(idiom, ignorant, unconscious, uninformed)
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not applicable(unlikely, idealistic, improbable)
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not cognizant(ignorant, unconscious, uninformed)
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not difficult
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not informed(ingenuous, unwitting)
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not knowing(ingenuous, unwitting)
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not told(ingenuous, unwitting)
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off guard(friendly, innocent, gullible, unsuspicious)
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on cloud nine(idiom, unlikely, idealistic, improbable)
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APASmart Define. (2016). naive thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/naive/thesaurus/synonyms
ChicagoSmart Define. 2016. "naive thesaurus" https://smartdefine.org/naive/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, naive thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/naive/thesaurus/synonyms>.
MLASmart Define. "naive thesaurus" 30 March 2016. Web. 22 September 2026. <https://smartdefine.org/naive/thesaurus/synonyms>