59 entries under unbelievable topic. ×

1
aerial(adjective, fake, false, fantastic, extravagant)
1
bizarre(adjective, unusual, marvelous, fantastic, extravagant)
1
capricious(adjective, fantastic, extravagant, absurd, romantic)
1
curious(adjective, fantastic, extravagant, absurd, romantic)
1
dreamlike(adjective, fake, false, fantastic, extravagant)
1
flaky(adjective, fantastic, extravagant, absurd, romantic)
1
floating(adjective, fantastic, extravagant, absurd, romantic)
1
kinky(adjective, unusual, fantastic, extravagant, absurd)
1
offbeat(adjective, unusual, fantastic, extravagant, neat)
1
on cloud nine(expression, adjective, idiom, fantastic, extravagant)
1
pie in the sky(expression, adjective, idiom, fantastic, extravagant)
1
pipe dream(expression, adjective, fantastic, extravagant, absurd)
1
poetic(adjective, fantastic, extravagant, absurd, romantic)
1
shadowy(adjective, fantastic, extravagant, absurd, abstract)
1
suppositious(adjective, fake, false, fantastic, extravagant)
1
whimsical(adjective, false, fantastic, extravagant, absurd)
0
blue sky(expression, adjective, fantastic, extravagant, absurd)
0
castles in the air(expression, adjective, idiom, fantastic, extravagant)
0
far-fetched(adjective, marvelous, fantastic, imaginary, weird)
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APASmart Define. (2016). fabulous thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/fabulous/thesaurus/synonyms
ChicagoSmart Define. 2016. "fabulous thesaurus" https://smartdefine.org/fabulous/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, fabulous thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/fabulous/thesaurus/synonyms>.
MLASmart Define. "fabulous thesaurus" 29 March 2016. Web. 1 October 2026. <https://smartdefine.org/fabulous/thesaurus/synonyms>