101 entries under open topic. ×

6
blunt(adjective, direct, free, easy)
6
undesigning(adjective, honest, true, straightforward)
5
true(adjective, good, honest, straightforward)
5
unfeigned(adjective, honest, pure, true)
4
fair(adjective, free, friendly, appropriate)
4
real(adjective, direct, free, easy)
4
undisguised(adjective, free, easy, friendly)
3
on the level(expression, adjective, idiom, free)
3
unequivocal(adjective, honest, straightforward, sincere)
2
apparent(adjective, direct, free, easy)
2
bare-faced(adjective, direct, free, easy)
2
easy(direct, free, honest, plain)
2
flat-out(adjective, direct, free, easy)
2
free(adjective, direct, easy, honest)
2
heart-to-heart(adjective, direct, free, easy)
2
just(honest, straightforward, straight, sincere)
2
lay it on the line(expression, adjective, idiom, direct)
2
like it is(expression, adjective, idiom, direct)
2
outright(adjective, direct, free, easy)
2
plain-spoken(adjective, free, easy, honest)
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APASmart Define. (2015). guileless thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/guileless/thesaurus/synonyms
ChicagoSmart Define. 2015. "guileless thesaurus" https://smartdefine.org/guileless/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, guileless thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/guileless/thesaurus/synonyms>.
MLASmart Define. "guileless thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/guileless/thesaurus/synonyms>