40 entries under superb topic. ×

12
strange(adjective, excellent, obscure, extraordinary, unusual)
11
extraordinary(adjective, excellent, unusual, strange)
7
remarkable(adjective, excellent, extraordinary, unusual, strange)
6
fantastic(adjective, extraordinary, unusual, strange)
4
incredible(adjective, extraordinary, unusual, strange)
4
phenomenal(adjective, excellent, extraordinary, unusual, strange)
3
miraculous(adjective, pleasant, extraordinary, exceptional)
3
outstanding(adjective, excellent, extraordinary, unusual, strange)
2
astonishing(adjective, unusual, strange, exceptional)
2
astounding(adjective, pleasant, strange, exceptional)
2
fabulous(adjective, pleasant, marvelous, fantastic)
2
marvelous(adjective, excellent, extraordinary, unusual, strange)
2
sensational(adjective, pleasant, marvelous, fantastic)
2
staggering(adjective, pleasant, extraordinary, strange)
2
stupendous(adjective, pleasant, unusual, strange)
2
surprising(adjective, unusual, strange, exceptional)
2
wondrous(adjective, marvelous, fantastic, magnificent)
1
terrific(adjective, unusual, strange, exceptional)
0
admirable(adjective, marvelous, fantastic, magnificent)
0
awe-inspiring(adjective, marvelous, fantastic, magnificent)
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APASmart Define. (2015). unheard-of thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unheard-of/thesaurus/synonyms
ChicagoSmart Define. 2015. "unheard-of thesaurus" https://smartdefine.org/unheard-of/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, unheard-of thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unheard-of/thesaurus/synonyms>.
MLASmart Define. "unheard-of thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/unheard-of/thesaurus/synonyms>