2
modest(adjective, good, clean, honest, pure)
2
openhearted(adjective, free, friendly, appropriate, honest)
2
outright(adjective, open, direct, free, easy)
2
plain-spoken(adjective, open, free, easy, honest)
2
plainspoken(adjective, open, honest, plain, straight)
2
raw(adjective, simple, natural, straightforward, ignorant)
2
righteous(adjective, good, open, clean, honest)
2
saying what one thinks(expression, adjective, idiom, open, direct)
2
scrupulous(open, free, honest, plain, straightforward)
2
simple-hearted(veracity, artlessness)
2
single-hearted
2
square(adjective, open, simple, honest, plain)
2
trustful(honest, plain, pure, innocent, naive)
2
trusting(adjective, simple, honest, plain, pure)
2
trustworthy(open, honest, true, straightforward, straight)
2
unbiased(adjective, open, free, friendly, appropriate)
2
uncalculating
2
uncomplicated(adjective, simple, pure, natural, straightforward)
2
unconcealed(adjective, open, direct, free, easy)
2
uncorrupted(adjective, good, clean, pure, innocent)
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APASmart Define. (2015). guileless thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/guileless/thesaurus/synonyms
ChicagoSmart Define. 2015. "guileless thesaurus" https://smartdefine.org/guileless/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, guileless thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/guileless/thesaurus/synonyms>.
MLASmart Define. "guileless thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/guileless/thesaurus/synonyms>