78 entries under serious topic. ×

2
square(adjective, good, open, right, honest)
2
straight(adjective, good, close, open, correct)
2
unaffected(adjective, open, honest, true, natural)
2
wholehearted(adjective, open, honest, intense, true)
1
actual(open, honest, true, straightforward, straight)
1
artless(open, honest, true, straightforward, straight)
1
blameless(adjective, good, right, honest, proper)
1
chaste(adjective, good, right, honest, proper)
1
conscientious(adjective, good, close, strong, correct)
1
courteous(adjective, good, right, honest, proper)
1
dead-level(open, honest, true, straightforward, straight)
1
decorous(adjective, good, right, honest, proper)
1
earnest(open, honest, true, straightforward, straight)
1
elevated(adjective, good, right, honest, proper)
1
ethical(adjective, good, open, direct, right)
1
forthright(open, honest, true, straightforward, straight)
1
frank(open, honest, true, straightforward, straight)
1
guileless(open, honest, true, straightforward, straight)
1
heartfelt(open, honest, true, straightforward, straight)
1
high-minded(adjective, good, right, honest, proper)
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APASmart Define. (2015). true-blue thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/true-blue/thesaurus/synonyms
ChicagoSmart Define. 2015. "true-blue thesaurus" https://smartdefine.org/true-blue/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, true-blue thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/true-blue/thesaurus/synonyms>.
MLASmart Define. "true-blue thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/true-blue/thesaurus/synonyms>