50 entries under dubious topic. ×

2
full of holes(expression, idiom, extraordinary, amazing)
2
suspicious(adjective, doubtful, suspect, shady)
1
astonishing(extraordinary, amazing, incredible)
1
cockamamie(extraordinary, amazing, astonishing, incredible)
1
cockeyed(extraordinary, amazing, astonishing, incredible)
1
different(suspect, shady)
1
doubtful(extraordinary, amazing, suspect, astonishing)
1
farfetched(suspect, shady)
1
fishy(extraordinary, amazing, suspect, shady)
1
flaky(extraordinary, amazing, astonishing, incredible)
1
for the birds(expression, idiom, extraordinary, amazing)
1
harebrained(extraordinary, amazing, astonishing, incredible)
1
incogitable(extraordinary, amazing, astonishing, incredible)
1
kooky(extraordinary, amazing, astonishing, incredible)
1
lamebrained(extraordinary, amazing, astonishing, incredible)
1
not kosher(expression, suspect, shady)
1
open to doubt(expression, idiom, extraordinary, astonishing)
1
out of line(expression, idiom, suspect, shady)
1
overt(suspect, shady)
1
past belief(expression, extraordinary, amazing, astonishing)
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APASmart Define. (2015). reaching thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/reaching/thesaurus/synonyms
ChicagoSmart Define. 2015. "reaching thesaurus" https://smartdefine.org/reaching/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, reaching thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/reaching/thesaurus/synonyms>.
MLASmart Define. "reaching thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/reaching/thesaurus/synonyms>