356 entries under adjective topic. ×

4
indistinct(rough, uncertain, doubtful, unsettled)
4
irresponsible(dishonest, deceitful, unpredictable, unreliable)
4
open to question(expression, idiom, uncertain, doubtful)
4
remote(doubtful, unlikely, improbable)
4
risky(weak, delicate, uncertain, sensitive)
4
rocky(weak, delicate, uncertain, sensitive)
4
strange(unusual, fantastic, irregular, doubtful)
4
tenuous(weak, thin)
4
unconvinced(uncertain, nervous, doubtful, unsettled)
4
undetermined(open, rough, uncertainty, uncertain)
4
unimaginable(extraordinary, amazing, doubtful, unlikely)
4
unsafe(delicate, uncertain, unstable, dishonest)
4
unsavory
4
untrusty(false, uncertain, nervous, dishonest)
4
wary
4
weird(unusual, strange, irregular, odd)
3
agnostic(uncertain, hesitant, unsure)
3
bizarre(unusual, strange, fantastic, irregular)
3
curious(unusual, strange, odd, ridiculous)
3
dicey(delicate, uncertain, unstable, irregular)
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APASmart Define. (2016). dubious thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/dubious/thesaurus/synonyms
ChicagoSmart Define. 2016. "dubious thesaurus" https://smartdefine.org/dubious/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, dubious thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/dubious/thesaurus/synonyms>.
MLASmart Define. "dubious thesaurus" 4 March 2016. Web. 25 September 2026. <https://smartdefine.org/dubious/thesaurus/synonyms>