40 entries under extraordinary topic. ×

1
scatterbrained(amazing, dubious, astonishing, incredible)
1
staggering(amazing, incredible)
1
thick(amazing, dubious, astonishing, incredible)
1
unimaginable(amazing, incredible)
1
unthinkable(amazing, incredible)
1
weak(simple, silly, foolish, amazing)
0
enormous(amazing, incredible)
0
flimsy(amazing, incredible)
0
great(amazing, incredible)
0
implausible(amazing, incredible)
0
impossible(amazing, incredible)
0
improbable(amazing, incredible)
0
inconceivable(amazing, incredible)
0
incredible
0
mind-boggling(amazing, incredible)
-1
suspect(amazing, incredible)
-1
thin(amazing, incredible)
-1
too much(expression, amazing, dubious, astonishing)
-1
unconvincing(amazing, incredible)
-1
unsubstantial(amazing, incredible)
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APASmart Define. (2016). kooky thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/kooky/thesaurus/synonyms
ChicagoSmart Define. 2016. "kooky thesaurus" https://smartdefine.org/kooky/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, kooky thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/kooky/thesaurus/synonyms>.
MLASmart Define. "kooky thesaurus" 31 March 2016. Web. 28 September 2026. <https://smartdefine.org/kooky/thesaurus/synonyms>