36 entries under exceptional topic. ×

22
inconceivable(adjective, unusual, belief, unreasonable)
10
rare(adjective, extraordinary, unusual, strange)
9
unique(adjective, light, extraordinary, unusual, strange)
7
singular(adjective, extraordinary, unusual, strange)
6
amazing(great, excellent, superb, special)
6
uncommon(adjective, light, thin, extraordinary, unusual)
4
outlandish(adjective, extraordinary, unusual, absurd)
4
outstanding(great, excellent, superb, special)
4
remarkable(great, excellent, superb, special)
4
unheard-of(adjective, extraordinary, strange, marvelous)
4
unordinary(adjective, excellent, extraordinary, unusual)
3
unusual(adjective, light, excellent, thin)
2
prodigious(excellent, special, brilliant, hidden)
2
unwonted(light, thin, strange, marvelous)
1
bizarre(extraordinary, unusual, marvelous, special)
1
curious(extraordinary, unusual, marvelous, special)
1
noteworthy(excellent, extraordinary, unusual, special)
1
odd(excellent, extraordinary, unusual, marvelous)
1
peculiar(adjective, excellent, extraordinary, unusual)
1
special(excellent, extraordinary, unusual, marvelous)
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APASmart Define. (2015). unthinkable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unthinkable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unthinkable thesaurus" https://smartdefine.org/unthinkable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, unthinkable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unthinkable/thesaurus/synonyms>.
MLASmart Define. "unthinkable thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/unthinkable/thesaurus/synonyms>