3
greatest(adjective, quality, bad, tough, top)
3
high(adjective, great, perfect, super, first)
3
highest(adjective, quality, bad, tough, top)
3
magnificent(adjective, good, great, excellent, superb)
3
notable(adjective, good, great, outstanding, special)
3
numero uno(job, very best kind)
3
paramount(adjective, good, quality, bad, tough)
3
peachy keen(job, very best kind)
3
stupendous(adjective, good, bad, great, sound)
3
surpassing(adjective, great, perfect, super, first)
3
topmost(adjective, top, excellent, fine, informal)
3
tops(adjective, bad, tough, top, excellent)
3
unequalled
3
unparalleled(adjective, bad, tough, top, excellent)
3
upper-class(noun, adjective, solid, powerful, outstanding)
2
a1
2
aces(adjective, good, bad, cool, great)
2
bad(adjective, good, great, sound, complete)
2
better(adjective, advanced, finer)
2
estimable(adjective, good, great, excellent, best)
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APASmart Define. (2016). first-class thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/first-class/thesaurus/synonyms
ChicagoSmart Define. 2016. "first-class thesaurus" https://smartdefine.org/first-class/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, first-class thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/first-class/thesaurus/synonyms>.
MLASmart Define. "first-class thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/first-class/thesaurus/synonyms>