27 entries under exceptional topic. ×

13
unusual(adjective, obscure, strange, marvelous)
12
strange(adjective, excellent, obscure, extraordinary, unusual)
11
extraordinary(adjective, excellent, unusual, strange, superb)
10
unprecedented(adjective, obscure, original, unique)
9
unfamiliar(adjective, obscure, strange, marvelous)
7
odd(adjective, excellent, new, marvelous)
7
peculiar(adjective, excellent, strange, marvelous)
7
remarkable(adjective, excellent, extraordinary, unusual, strange)
7
uncommon(adjective, excellent, strange, marvelous)
6
fantastic(adjective, extraordinary, unusual, strange, superb)
6
inconceivable(adjective, obscure, belief, marvelous)
5
unimaginable(adjective, extraordinary, strange, special)
4
incredible(adjective, extraordinary, unusual, strange, superb)
4
new(adjective, obscure, strange, fantastic)
4
phenomenal(adjective, excellent, extraordinary, unusual, strange)
4
unthinkable(adjective, extraordinary, strange, marvelous)
3
miraculous(adjective, pleasant, extraordinary, superb)
3
outstanding(adjective, excellent, extraordinary, unusual, strange)
2
astonishing(adjective, unusual, strange, superb)
2
astounding(adjective, pleasant, strange, superb)
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APASmart Define. (2015). unheard-of thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unheard-of/thesaurus/synonyms
ChicagoSmart Define. 2015. "unheard-of thesaurus" https://smartdefine.org/unheard-of/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, unheard-of thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unheard-of/thesaurus/synonyms>.
MLASmart Define. "unheard-of thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/unheard-of/thesaurus/synonyms>