93 entries under extraordinary topic. ×

3
unconvincing(adjective, strange, unlikely, unbelievable)
2
impossible(false, strange, silly, implausible)
2
otherworldly(adjective, gentle, obscure, strange)
2
screwy(adjective, strange, silly, foolish)
2
unnatural(strange, exceptional, irregular, weird)
2
unrivalled(adjective, excellent, superior, supreme)
2
unwonted(unusual, exceptional, marvelous, special)
2
way out(expression, adjective, strange, exceptional)
1
absolute(excellent, obscure, superior, supreme)
1
abstract(excellent, obscure, superior, false)
1
anomalistic(strange, exceptional, irregular, nonstandard)
1
avant-garde(adjective, exceptional, original, irregular)
1
belief(strange, unbelievable, implausible, unthinkable)
1
beyond grasp(expression, excellent, obscure, superior)
1
beyond reason(expression, strange, foolish, implausible)
1
boundless(excellent, obscure, superior, supreme)
1
deviate(strange, exceptional, irregular, nonstandard)
1
deviating(strange, exceptional, irregular, odd)
1
divergent(strange, exceptional, irregular, odd)
1
entire(excellent, obscure, superior, supreme)
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APASmart Define. (2016). fantastic thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/fantastic/thesaurus/synonyms
ChicagoSmart Define. 2016. "fantastic thesaurus" https://smartdefine.org/fantastic/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, fantastic thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/fantastic/thesaurus/synonyms>.
MLASmart Define. "fantastic thesaurus" 30 March 2016. Web. 30 September 2026. <https://smartdefine.org/fantastic/thesaurus/synonyms>