6
well done
5
great job
3
1st class
2
prime(adjective, top, superior, superlative, greatest)
2
rare
2
beyond compare(expression, adjective, bad, tough, top)
2
first-class mail
2
of higher rank(expression, idiom, higher, upper, abovementioned)
2
outstanding(adjective, bad, tough, top, perfect)
2
pukka
2
sterling
2
superior(better, higher, upper, abovementioned)
2
superlative(adjective, bad, tough, top, perfect)
2
tops(adjective, bad, tough, top, perfect)
2
transcendent(adjective, bad, tough, top, perfect)
2
world class(adjective, expression, select, excellent, sharp)
1
1st-class mail
1
best(adjective, top, excellent, superior, select)
1
boss(adjective, bad, tough, top, sharp)
1
creamer(adjective, select, meritable, unparalleled, preferred)
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APASmart Define. (2015). first class thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/first_class/thesaurus/synonyms
ChicagoSmart Define. 2015. "first class thesaurus" https://smartdefine.org/first_class/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, first class thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/first_class/thesaurus/synonyms>.
MLASmart Define. "first class thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/first_class/thesaurus/synonyms>