Synonyms|133Antonyms|75|Broader|0Narrower|0Related|1.5k

46 entries under dubious topic. ×

7
doubtful(adjective, open, obscure, uncertain, shaky)
7
fishy(adjective, uncertain, doubtful, unsettled, shaky)
6
debatable(adjective, uncertain, shaky, suspect)
6
disputable(adjective, suspect, shady, contentious)
6
problematic(adjective, uncertain, doubtful, unsettled, shaky)
6
questionable(adjective, uncertain, doubtful, unsettled, shaky)
6
suspect(adjective, uncertain, doubtful, unsettled, shaky)
6
suspicious(adjective, uncertain, doubtful, unsettled)
4
unlikely(adjective, open, obscure, uncertain, doubtful)
3
equivocal(adjective, uncertain, doubtful, suspect)
3
uncertain(adjective, doubtful, unsettled, suspicious)
2
dodgy(suspect, shady)
2
incredible(adjective, thin, doubtful, suspicious)
2
open(adjective, uncertain, doubtful, unsettled, shaky)
2
open to question(expression, adjective, idiom, suspect)
2
queer(adjective, suspect, shady)
2
ridiculous(adjective, thin, doubtful, suspicious)
2
shady(adjective, uncertain, doubtful, unsettled, shaky)
2
shaky(adjective, thin, unusual, uncertain, doubtful)
2
thick(adjective, thin, doubtful, suspicious)
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APASmart Define. (2015). doubtable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/doubtable/thesaurus/synonyms
ChicagoSmart Define. 2015. "doubtable thesaurus" https://smartdefine.org/doubtable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, doubtable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/doubtable/thesaurus/synonyms>.
MLASmart Define. "doubtable thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/doubtable/thesaurus/synonyms>