113 entries under plain topic. ×

7
unrestricted(adjective, clear, open, free, easy)
6
clean(adjective, feature, characteristic, good, honor)
6
clear(adjective, open, free, easy)
6
correct(adjective, feature, characteristic, clear, open)
6
familiar(adjective, clear, open, free, simple)
6
trusting(adjective, open, simple, easy, honest)
6
unambiguous(adjective, clear, easy, honest)
6
unconcealed(adjective, open, free, easy, friendly)
5
bald(adjective, open, direct, honest)
5
matter-of-fact(adjective, open, direct, free, easy)
5
stark(adjective, honest, straightforward, straight)
4
overt(adjective, clear, open, honest)
4
trustful(honest, innocent, artless, unworldly)
4
unpretentious(adjective, open, simple, honest)
3
childlike(adjective, open, simple, easy, honest)
3
lay it on the line(expression, adjective, idiom, good, open)
3
ordinary(adjective, simple, relaxed, straightforward)
3
unstudied(adjective, open, easy, honest)
2
accurate(adjective, clear, open, direct, right)
2
definite(adjective, clear, obvious, unequivocal)
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APASmart Define. (2016). frank thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/frank/thesaurus/synonyms
ChicagoSmart Define. 2016. "frank thesaurus" https://smartdefine.org/frank/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, frank thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/frank/thesaurus/synonyms>.
MLASmart Define. "frank thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/frank/thesaurus/synonyms>