74 entries under doubtful topic. ×

4
variable(adjective, careless, loose, vague)
3
erratic(adjective, loose, vague, hesitant)
3
evasive(adjective, uncertain, careful, vague)
2
abstruse(adjective, uncertain, vague, intellectual)
2
ambivalent(adjective, open, vague, hesitant)
2
chancy(shaky, vague, unsure, unlikely)
2
conjectural(adjective, unsettled, vague, questionable)
2
hesitating(adjective, uncertain, hesitant, wavering)
2
in doubt(expression, adjective, open, obscure)
2
insecure(adjective, open, uncertain, unsettled)
2
speculative(unsettled, shaky, vague, theoretical)
2
tentative(adjective, open, uncertain, careful)
2
unconfirmed(uncertain, unsettled, vague, dubious)
2
unintelligible(adjective, obscure, rough, uncertain)
1
contingent(uncertain, unsettled, vague, dubious)
1
dubitable(obscure, uncertain, shaky, dubious)
1
fishy(uncertain, shaky, vague, dubious)
1
fitful(adjective, vague, hesitant, changeable)
1
iffy(open, uncertain, unsettled, dubious)
1
misleading(adjective, uncertain, faint, vague)
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APASmart Define. (2015). indefinite thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/indefinite/thesaurus/synonyms
ChicagoSmart Define. 2015. "indefinite thesaurus" https://smartdefine.org/indefinite/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, indefinite thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/indefinite/thesaurus/synonyms>.
MLASmart Define. "indefinite thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/indefinite/thesaurus/synonyms>