70 entries under doubtful topic. ×

4
insecure(adjective, uncertain, nervous, worried)
4
misleading(adjective, false, uncertain, dubious)
3
amphibological(adjective, clear, obscure, rough, difficult)
3
fitful(adjective, hesitant, changeable, unsure)
3
hesitant(adjective, open, obscure, uncertain, nervous)
3
precarious(adjective, uncertain, unsure)
3
unpredictable(adjective, unstable, hesitant, changeable)
3
unreliable(adjective, uncertain, nervous, hesitant)
2
chancy(uncertain, anxious, worried, troubled)
2
conjectural(adjective, hesitant, questionable, assumed)
2
incomprehensible(adjective, obscure, difficult, heavy, uncertain)
2
irregular(character, hesitant, changeable, unsure)
2
unfathomable(adjective, obscure, difficult, heavy, uncertain)
2
variable(adjective, hesitant, changeable, unsure)
1
dubitable(obscure, uncertain, anxious, dubious)
1
iffy(open, uncertain, nervous, hesitant)
1
problematical(adjective, obscure, uncertain, dubious)
1
speculative(gentle, marvelous, assumed, academic)
1
suspicious(uncertain, nervous, dubious, insecure)
1
unconfirmed(uncertain, hesitant, dubious, questionable)
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APASmart Define. (2016). vague thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/vague/thesaurus/synonyms
ChicagoSmart Define. 2016. "vague thesaurus" https://smartdefine.org/vague/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, vague thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/vague/thesaurus/synonyms>.
MLASmart Define. "vague thesaurus" 29 February 2016. Web. 27 September 2026. <https://smartdefine.org/vague/thesaurus/synonyms>