79 entries under textbook topic. ×

5
indefectible(adjective, good, pure, splendid, flawless)
5
proper(adjective, right, perfect, exact, true)
5
superb(adjective, good, great, sound, excellent)
5
unalloyed(adjective, pure, flawless)
5
unmixed(adjective, flawless)
4
peerless(adjective, good, great, sound, excellent)
4
precise(adjective, right, perfect, exact, proper)
4
sound(adjective, good, great, reasonable, excellent)
4
superlative(adjective, excellent, perfect, pure, superb)
4
unspoiled(adjective, sound, perfect, pure, flawless)
3
downright(noun, correct, perfect, exact, precise)
3
rank(adjective, flawless)
3
simple(adjective, clear, bright, clean, pure)
3
supreme(adjective, good, great, excellent, perfect)
3
unimpaired(adjective, sound, complete, total, perfect)
2
accomplished(adjective, good, great, sound, excellent)
2
adept(adjective, pure, splendid, flawless)
2
certain(adjective, flawless, absolute, indisputable)
2
close
2
defectless(pure, splendid, flawless, superlative)
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APASmart Define. (2016). faultless thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/faultless/thesaurus/synonyms
ChicagoSmart Define. 2016. "faultless thesaurus" https://smartdefine.org/faultless/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, faultless thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/faultless/thesaurus/synonyms>.
MLASmart Define. "faultless thesaurus" 3 March 2016. Web. 23 September 2026. <https://smartdefine.org/faultless/thesaurus/synonyms>