3
finished(adjective, good, great, sound, excellent)
3
good(adjective, clear, strong, honest, perfect)
3
guiltless(adjective, good, clear, honest, pure)
3
honest(adjective, clear, clean, pure, virtuous)
3
lily-white(adjective, innocent)
3
righteous(adjective, good, clear, honest, exact)
3
unsoiled(adjective, clean, perfect, acceptable, faultless)
3
unspoiled(adjective, sound, perfect, flawless, faultless)
3
white(clean, pale)
2
accomplished(adjective, good, great, sound, excellent)
2
decent(adjective, good, strong, solid, acceptable)
2
defectless(pure, splendid, flawless, faultless, textbook)
2
effortless
2
harmless
2
indefective
2
letter-perfect(adjective, perfect)
2
moral
2
peerless(adjective, good, great, sound, excellent)
2
reliable(adjective, consistent, trustworthy, steadfast, dependable)
2
safe(good, clear, strong, clean, honest)
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APASmart Define. (2016). impeccable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/impeccable/thesaurus/synonyms
ChicagoSmart Define. 2016. "impeccable thesaurus" https://smartdefine.org/impeccable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, impeccable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/impeccable/thesaurus/synonyms>.
MLASmart Define. "impeccable thesaurus" 31 March 2016. Web. 22 September 2026. <https://smartdefine.org/impeccable/thesaurus/synonyms>