571 entries under adjective topic. ×

5
unspotted(good, clear, correct, clean)
5
untainted(good, great, excellent, clean)
5
untarnished(good, clear, great, sound)
5
utopian(happy, flawless, faultless, ideal)
5
wonderful(good, bad, great, sound)
4
rich(person, smooth, soft, warm)
4
chaste(good, pure, modest, humble)
4
conclusive(clear, complete, correct, flat)
4
errorless(correct, clean, pure, flawless)
4
flat-out(complete, total, informal, big)
4
foolproof(correct, clean, pure, flawless)
4
glorious(wonderful, marvelous, godlike)
4
inviolate(safe, mature, intact, unbroken)
4
letter-perfect
4
masterful
4
masterly
4
mellow(verb, develop, smooth, warm)
4
needed(correct, flawless, faultless, textbook)
4
on target(noun, expression, correct, right)
4
optimum(bad, tough, top, excellent)
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APASmart Define. (2016). perfect thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/perfect/thesaurus/synonyms
ChicagoSmart Define. 2016. "perfect thesaurus" https://smartdefine.org/perfect/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, perfect thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/perfect/thesaurus/synonyms>.
MLASmart Define. "perfect thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/perfect/thesaurus/synonyms>