70 entries under plain topic. ×

2
heart-to-heart(open, direct, free, honest)
2
indisputable(clear, certain, sure, absolute)
2
manifest(adjective, clear, straightforward, serious)
2
matter-of-fact(adjective, open, direct, free, easy)
2
naive(adjective, open, direct, free, honest)
2
no holds barred(expression, idiom, really, positively)
2
no strings attached(expression, idiom, really, positively)
2
obvious(adjective, clear, complete, total)
2
truthful(adjective, open, direct, free, honest)
2
undeniable(clear, complete, certain, sure)
2
upright(open, direct, free, honest)
1
bare-faced(open, direct, free, honest)
1
brazen(open, direct, free, honest)
1
completely honest(expression, open, direct, free, honest)
1
easy(open, direct, free, honest)
1
familiar(open, direct, free, honest)
1
from the hip(expression, open, free, honest)
1
guileless(open, direct, free, honest)
1
incontestable(clear, certain, sure, absolute)
1
incontrovertible(clear, certain, sure, absolute)
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APASmart Define. (2015). downright thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/downright/thesaurus/synonyms
ChicagoSmart Define. 2015. "downright thesaurus" https://smartdefine.org/downright/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, downright thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/downright/thesaurus/synonyms>.
MLASmart Define. "downright thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/downright/thesaurus/synonyms>