1
underlined(great, important, famous, outstanding, popular)
1
unexcelled(excellent, unparalleled, prizewinning, unmatched, out-of-this-world)
1
unmatched(adjective, excellent, superb, exceptional, outstanding)
1
unparalleled(adjective, excellent, select, superlative, supreme)
1
unrivaled(adjective, excellent, superb, outstanding, extreme)
1
unsurpassed
1
upper-class(adjective, noble, select, super, choice)
1
uppermost(adjective, important, select, main, chief)
1
well-known(adjective, bad, great, excellent, superior)
1
well-thought-of(great, important, famous, outstanding, popular)
1
winner(adjective, excellent, outstanding, select, choice)
1
winnowed(adjective, excellent, outstanding, choice, first-rate)
1
without equal(expression, excellent, superlative, singular, supreme)
0
bad(adjective, great, excellent, superior, important)
0
A-OK(skillful, meritable, unparalleled, prizewinning, slighty)
0
aberrant
0
abnormal
0
adept(skillful, meritable, slighty)
0
adroit(skillful, meritable, slighty)
0
all time(expression, select, meritable, unparalleled, prizewinning)
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APASmart Define. (2013). world-class thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/world-class/thesaurus/synonyms
ChicagoSmart Define. 2013. "world-class thesaurus" https://smartdefine.org/world-class/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2013, world-class thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/world-class/thesaurus/synonyms>.
MLASmart Define. "world-class thesaurus" 28 June 2013. Web. 23 September 2026. <https://smartdefine.org/world-class/thesaurus/synonyms>