70 entries under precise topic. ×

7
straight(adjective, good, close, open, correct)
7
truthful(adjective, good, close, open, correct)
6
definite(adjective, correct, solid, exact, certain)
6
undoubted(adjective, correct, right, flat, honest)
6
sound(adjective, correct, reasonable, honest, solid)
5
explicit(adjective, correct, solid, exact, proper)
4
indubitable(adjective, correct, right, honest, plain)
4
perfect(adjective, simple, correct, right, flat)
4
sure(adjective, close, correct, total, exact)
3
veridical(adjective, close, sound, correct, right)
2
unerring(adjective, correct, right, honest, solid)
2
just(adjective, good, close, open, sound)
2
scrupulous(adjective, good, close, correct, honest)
2
specific(adjective, close, correct, solid, exact)
2
undeniable(adjective, correct, right, honest, exact)
2
undistorted(adjective, close, sound, correct, perfect)
2
unmistakable(adjective, close, correct, solid, exact)
1
defined(adjective, close, correct, solid, exact)
1
flawless(adjective, simple, correct, flat, bright)
1
regular(adjective, close, correct, right, solid)
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APASmart Define. (2016). authentic thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/authentic/thesaurus/synonyms
ChicagoSmart Define. 2016. "authentic thesaurus" https://smartdefine.org/authentic/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, authentic thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/authentic/thesaurus/synonyms>.
MLASmart Define. "authentic thesaurus" 31 March 2016. Web. 21 September 2026. <https://smartdefine.org/authentic/thesaurus/synonyms>