42 entries under extraordinary topic. ×

2
cockamamie(amazing, dubious, astonishing, incredible)
2
screwy(amazing, dubious, astonishing, incredible)
2
unbelievable(adjective, amazing, incredible)
1
astonishing(amazing, dubious, incredible)
1
beyond belief(expression, amazing, incredible)
1
cockeyed(amazing, dubious, astonishing, incredible)
1
doubtful(amazing, dubious, astonishing, incredible)
1
dubious(amazing, astonishing, incredible)
1
far-fetched(amazing, incredible)
1
flaky(amazing, dubious, astonishing, incredible)
1
flimsy(amazing, incredible)
1
for the birds(expression, idiom, amazing, dubious)
1
full of holes(expression, idiom, amazing, dubious)
1
implausible(amazing, incredible)
1
impossible(amazing, incredible)
1
improbable(amazing, incredible)
1
incogitable(amazing, dubious, astonishing, incredible)
1
inconceivable(amazing, incredible)
1
incredible
1
kooky(amazing, dubious, astonishing, incredible)
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APASmart Define. (2015). scatterbrained thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/scatterbrained/thesaurus/synonyms
ChicagoSmart Define. 2015. "scatterbrained thesaurus" https://smartdefine.org/scatterbrained/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, scatterbrained thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/scatterbrained/thesaurus/synonyms>.
MLASmart Define. "scatterbrained thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/scatterbrained/thesaurus/synonyms>