722 entries under adjective topic. ×

9
substantial(good, sound, right, reasonable)
9
unaffected(open, simple, honest, plain)
9
uncorrupted(feature, characteristic, good, honor)
9
undeniable(clear, correct, right, firm)
9
unfailing(good, strong, honest, solid)
9
untarnished(feature, characteristic, honor, clean)
9
veridical(close, correct, right, appropriate)
9
verifiable(clear, honest, reliable, trustworthy)
8
artless(open, simple, honest, natural)
8
authoritative(good, clear, sound, correct)
8
essential(physical, material, basic, existence)
8
excellent(feature, characteristic, honor, detail)
8
fast(close, strong, tough, correct)
8
flat(strong, direct, smooth, right)
8
flush(direct, smooth, right, flat)
8
intrinsic(physical, material, essential, basic)
8
liege(continue, firm, fast, trust)
8
normal(correct, right, exact, real)
8
orthodox(good, fair, proper, accepted)
8
regular(open, smooth, correct, right)
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APASmart Define. (2016). true thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/true/thesaurus/synonyms
ChicagoSmart Define. 2016. "true thesaurus" https://smartdefine.org/true/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, true thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/true/thesaurus/synonyms>.
MLASmart Define. "true thesaurus" 31 March 2016. Web. 24 September 2026. <https://smartdefine.org/true/thesaurus/synonyms>