7
perfection(noun, achievement, purity, excellence, precision)
6
faultlessness(noun, quality, virtue, integrity, achievement)
5
infallibility(noun, perfection)
5
innocence(noun, goodness, virtue, innocence, blamelessness)
4
flawlessness(noun, purity, excellence, precision, perfection)
4
guiltlessness(noun, goodness, virtue, purity, righteousness)
3
acme(noun, quality, virtue, integrity, achievement)
3
completeness(noun, quality, virtue, integrity, achievement)
3
honesty(noun, honor, right, confidence, goodness)
3
irreproachability
3
sinlessness(noun, goodness, virtue, purity, righteousness)
2
amazingness
2
chastity(noun, goodness, virtue, purity, righteousness)
2
excellence(noun, quality, virtue, integrity, achievement)
2
finish(noun, quality, virtue, integrity, achievement)
2
immaculacy
2
immaculateness(noun, goodness, virtue, purity, perfection)
2
incorruption(noun, goodness, virtue, purity, righteousness)
2
integrity(noun, quality, honor, right, confidence)
2
probity(noun, honor, right, confidence, goodness)
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APASmart Define. (2015). impeccability thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/impeccability/thesaurus/synonyms
ChicagoSmart Define. 2015. "impeccability thesaurus" https://smartdefine.org/impeccability/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, impeccability thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/impeccability/thesaurus/synonyms>.
MLASmart Define. "impeccability thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/impeccability/thesaurus/synonyms>