111 entries under perfect topic. ×

1
undamaged(adjective, good, bad, great, sound)
1
undeniable(adjective, great, super, first)
1
unequaled(adjective, bad, tough, top)
1
unexceptionable(adjective, great, super, first)
1
unrivaled(adjective, bad, tough, top, excellent)
0
brand-new(adjective, new, original, unused)
0
original(adjective, new, opening, primary)
0
spanking-new(adjective, new, original, unused)
0
spick-and-span(adjective, new, original, unused)
0
unblemished(adjective, good, bad, great, sound)
0
untarnished(adjective, new, original, unused)
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APASmart Define. (2016). first-class thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/first-class/thesaurus/synonyms
ChicagoSmart Define. 2016. "first-class thesaurus" https://smartdefine.org/first-class/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, first-class thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/first-class/thesaurus/synonyms>.
MLASmart Define. "first-class thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/first-class/thesaurus/synonyms>