133 entries under fantastic topic. ×

4
legendary(adjective, superior, superb, wonderful, outstanding)
4
suspicious(adjective, strange, doubtful, dubious)
4
unheard-of(adjective, extraordinary, unusual, strange, superb)
3
divine(adjective, extraordinary, superior, superb, outstanding)
3
groovy(adjective, superb, wonderful, marvelous)
3
singular(adjective, extraordinary, unusual, strange, superb)
3
striking(adjective, extraordinary, superb, wonderful, outstanding)
3
visionary(adjective, happy, perfect, strange)
2
curious(adjective, happy, perfect, extraordinary, unusual)
2
fancied(adjective, happy, perfect, strange)
2
fictional(adjective, happy, perfect, strange)
2
first-class(adjective, extraordinary, superb, wonderful, marvelous)
2
illusory(adjective, happy, perfect, strange)
2
imaginary(adjective, strange, extravagant, fantasy)
2
immense(adjective, great, superb, wonderful, marvelous)
2
marked(extraordinary, outstanding, notable, impressive)
2
mythical(adjective, extravagant, absurd, romantic)
2
offbeat(adjective, happy, perfect, strange)
2
out of sight(expression, adjective, idiom, wonderful, marvelous)
1
A-OK(adjective, excellent, superb, wonderful, marvelous)
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APASmart Define. (2016). incredible thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/incredible/thesaurus/synonyms
ChicagoSmart Define. 2016. "incredible thesaurus" https://smartdefine.org/incredible/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, incredible thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/incredible/thesaurus/synonyms>.
MLASmart Define. "incredible thesaurus" 30 March 2016. Web. 1 October 2026. <https://smartdefine.org/incredible/thesaurus/synonyms>