18 entries under certain topic. ×

9
dubious(adjective, clear, obscure, uncertain)
8
doubtful(adjective, clear, obscure, uncertain)
7
dubitable(adjective, clear, obscure, uncertain)
6
problematic(adjective, clear, obscure, uncertain)
6
questionable(adjective, clear, weak, obscure)
5
problematical(adjective, clear, ambiguous)
4
ambiguous(adjective, clear, obscure, uncertain)
4
uncertain(adjective, clear, weak, obscure)
3
unsure(adjective, clear, obscure, uncertain)
2
iffy(adjective, clear)
2
borderline(adjective, clear, uncertain, anxious)
2
equivocal(adjective, clear, obscure, uncertain)
2
inconclusive(adjective, clear, obscure, uncertain)
2
indecisive(adjective, clear, obscure, uncertain)
1
chancy(adjective, clear, uncertain, anxious)
1
clouded(adjective, clear, obscure, uncertain)
1
indeterminate(adjective, clear, obscure, uncertain)
1
unclear(adjective, clear, obscure, uncertain)
11 years ago|2.5k views|share |citing 
APASmart Define. (2015). in question thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/in_question/thesaurus/synonyms
ChicagoSmart Define. 2015. "in question thesaurus" https://smartdefine.org/in_question/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, in question thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/in_question/thesaurus/synonyms>.
MLASmart Define. "in question thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/in_question/thesaurus/synonyms>