83 entries under pure topic. ×

5
errorless(adjective, correct, bright, clean, delicate)
5
matchless(adjective, good, great, sound, excellent)
5
stainless(adjective, good, clear, great, excellent)
4
intact(adjective, sound, correct, clean, perfect)
4
sound(adjective, strong, reasonable, solid, perfect)
4
unsullied(adjective, good, clear, sound, clean)
4
untainted(adjective, clear, clean, honest)
3
clear(adjective, good, clean, honest, perfect)
3
finished(adjective, good, great, sound, excellent)
3
good(adjective, clear, strong, honest, perfect)
3
guiltless(adjective, good, clear, honest)
3
honest(adjective, clear, clean, virtuous)
3
righteous(adjective, good, clear, honest, exact)
2
accomplished(adjective, good, great, sound, excellent)
2
defectless(splendid, flawless, faultless, textbook)
2
peerless(adjective, good, great, sound, excellent)
2
safe(good, clear, strong, clean, honest)
2
superb(adjective, good, great, sound, excellent)
2
superlative(adjective, excellent, delicate, superb)
2
unspotted(good, clear, correct, clean, perfect)
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APASmart Define. (2016). impeccable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/impeccable/thesaurus/synonyms
ChicagoSmart Define. 2016. "impeccable thesaurus" https://smartdefine.org/impeccable/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, impeccable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/impeccable/thesaurus/synonyms>.
MLASmart Define. "impeccable thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/impeccable/thesaurus/synonyms>