135 entries under adjective topic. ×

3
fixed(clear, sound, firm, plain)
3
good
3
probable
3
set(clear, sound, firm, solid)
3
very(correct, right, exact, pure)
2
conclusive
2
confirmed(solid, certain, sure, confident)
2
decisive
2
explicit(straightforward, precise, unambiguous)
2
infallible
2
manifest(sound, certain, true, definite)
2
original(physical, material, true, actual)
2
plain(clear, right, straightforward, precise)
2
settled(solid, certain, sure, confident)
2
sure-enough(correct, right, flat, honest)
2
trusting
2
truthful(correct, right, honest, exact)
2
unerring(clear, sound, correct, right)
2
veracious(sound, correct, right, honest)
1
absolutely certain(expression, solid, certain, sure)
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APASmart Define. (2015). undoubted thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/undoubted/thesaurus/synonyms
ChicagoSmart Define. 2015. "undoubted thesaurus" https://smartdefine.org/undoubted/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, undoubted thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/undoubted/thesaurus/synonyms>.
MLASmart Define. "undoubted thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/undoubted/thesaurus/synonyms>