49 entries under dubious topic. ×

1
lamebrained(extraordinary, amazing, astonishing, incredible)
1
past belief(expression, extraordinary, amazing, astonishing)
1
phony(extraordinary, amazing, suspect, shady)
1
reaching(extraordinary, amazing, suspect, astonishing)
1
scatterbrained(extraordinary, amazing, astonishing, incredible)
1
screwy(extraordinary, amazing, astonishing, incredible)
1
shady(uncertain, doubtful, suspect)
1
too much(expression, extraordinary, suspect, astonishing)
1
uncertain(doubtful, suspect, shady, unsubstantiated)
1
unreliable(uncertain, doubtful, suspect, shady)
0
borderline(suspect, shady)
0
different(suspect, shady)
0
dodgy(suspect, shady)
0
doubtable(suspect, shady)
0
farfetched(suspect, shady)
0
irregular(suspect, shady)
0
not kosher(expression, suspect, shady)
0
open(suspect, shady)
0
out of line(expression, idiom, suspect, shady)
0
overt(suspect, shady)
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APASmart Define. (2015). open to doubt thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/open_to_doubt/thesaurus/synonyms
ChicagoSmart Define. 2015. "open to doubt thesaurus" https://smartdefine.org/open_to_doubt/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, open to doubt thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/open_to_doubt/thesaurus/synonyms>.
MLASmart Define. "open to doubt thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/open_to_doubt/thesaurus/synonyms>