2
fastidious(thorough, conscientious)
2
genuine(adjective, clear, sound, correct, right)
2
guiltless
2
incorrupt(perfect, precise, flawless, faultless, exquisite)
2
indubitable(adjective, clear, sound, correct, right)
2
innocent
2
meticulous(adjective, close, correct, solid, exact)
2
on the money(expression, idiom, correct, solid, perfect)
2
particular(adjective, close, correct, solid, perfect)
2
positive(clear, certain, flawless, faultless, valid)
2
punctilious(adjective, sound, correct, solid, exact)
2
real(adjective, clear, sound, correct, right)
2
religiously exact(expression, idiom, truth)
2
secure(adjective, certain)
2
sharp(adjective, correct, solid, perfect, exact)
2
spot on
2
subtle
2
superlative(flawless, faultless, textbook)
2
unchangeable(certain, certainty, unquestionable, undisputable)
2
undefiled
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APASmart Define. (2015). unerring thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unerring/thesaurus/synonyms
ChicagoSmart Define. 2015. "unerring thesaurus" https://smartdefine.org/unerring/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, unerring thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unerring/thesaurus/synonyms>.
MLASmart Define. "unerring thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/unerring/thesaurus/synonyms>