31
perfect(adjective, good, clear, great, sound)
28
faultless(adjective, good, clear, great, sound)
21
flawless(adjective, good, great, sound, right)
19
pure(adjective, good, clear, great, sound)
19
immaculate(adjective, good, clear, clean, honest)
15
spotless(adjective, good, clear, great, sound)
13
attractive(adjective, lovely)
13
innocent(adjective, good, clear, perfect, pure)
12
unimpeachable(adjective, good, clear, strong, honest)
11
consummate(adjective, good, great, sound, excellent)
11
unblemished(adjective, good, clear, great, sound)
10
blameless(adjective, honest, perfect, pure, innocent)
10
correct(adjective, right, clean, perfect, exact)
10
irreproachable(adjective, good, clear, sound, clean)
9
absolute(adjective, good, great, sound, excellent)
9
clean(adjective, good, clear, honest, perfect)
9
exquisite(adjective, good, great, excellent, clean)
9
sinless(adjective, flawless)
8
infallible(adjective, flawless, dependable, unerring)
8
unflawed(adjective, good, perfect, flawless, faultless)
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APASmart Define. (2016). impeccable thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/impeccable/thesaurus/synonyms
ChicagoSmart Define. 2016. "impeccable thesaurus" https://smartdefine.org/impeccable/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, impeccable thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/impeccable/thesaurus/synonyms>.
MLASmart Define. "impeccable thesaurus" 31 March 2016. Web. 20 September 2026. <https://smartdefine.org/impeccable/thesaurus/synonyms>