83 entries under plain topic. ×

2
spontaneous(adjective, calm, quiet, open, light)
2
unconcealed(adjective, open, direct, free, easy)
2
unrestricted(adjective, open, free, honest)
1
apparent(open, free, honest, natural)
1
bare-faced(open, free, honest, natural)
1
brazen(open, free, honest, natural)
1
callow(simple, fresh, innocent, sincere)
1
completely honest(expression, open, free, honest)
1
confiding(simple, fresh, innocent, sincere)
1
countrified(simple, fresh, innocent, sincere)
1
credulous(adjective, open, simple, easy)
1
familiar(open, free, honest, natural)
1
flat-out(open, free, honest, natural)
1
ignorant(adjective, open, simple, easy)
1
impulsive(adjective, open, simple, easy)
1
inartificial(adjective, open, simple, easy)
1
innocent(adjective, open, simple, easy)
1
instinctive(adjective, open, simple, easy)
1
lamb(simple, fresh, innocent, sincere)
1
lay it on the line(expression, idiom, open, free)
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APASmart Define. (2015). forthright thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/forthright/thesaurus/synonyms
ChicagoSmart Define. 2015. "forthright thesaurus" https://smartdefine.org/forthright/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, forthright thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/forthright/thesaurus/synonyms>.
MLASmart Define. "forthright thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/forthright/thesaurus/synonyms>