86 entries under textbook topic. ×

1
paradisiac(pure, splendid, flawless, faultless)
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paradisiacal(pure, splendid, flawless, faultless)
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peerless(pure, splendid, flawless, faultless)
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seamless(flawless, faultless)
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skilled(pure, splendid, flawless, faultless)
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skillful(pure, splendid, flawless, faultless)
1
sound(adjective, pure, splendid, flawless, faultless)
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splendid(pure, flawless, faultless, superlative)
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sublime(pure, splendid, flawless, faultless)
1
ten(pure, splendid, flawless, faultless)
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true(flawless, faultless)
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unequaled(pure, splendid, flawless, faultless)
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unflawed(adjective, perfect, flawless, faultless)
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unmarred(pure, splendid, flawless, faultless)
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untainted(pure, splendid, flawless, faultless)
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untarnished(pure, splendid, flawless, faultless)
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utopian(pure, splendid, flawless, faultless)
0
A-OK(pure, splendid, flawless, faultless)
0
aces(pure, splendid, flawless, faultless)
0
appropriate(flawless, faultless)
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APASmart Define. (2015). foolproof thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/foolproof/thesaurus/synonyms
ChicagoSmart Define. 2015. "foolproof thesaurus" https://smartdefine.org/foolproof/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, foolproof thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/foolproof/thesaurus/synonyms>.
MLASmart Define. "foolproof thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/foolproof/thesaurus/synonyms>