70 entries under doubtful topic. ×

11
enigmatic(adjective, clear, obscure, rough, difficult)
11
mysterious(adjective, obscure, uncertain, dubious)
11
unsure(adjective, clear, open, obscure, rough)
10
cryptic(adjective, obscure, difficult, uncertain)
10
unfixed(adjective, characteristic, uncertain, hesitant)
9
unresolved(adjective, open, certain, uncertain)
9
wavering(adjective, open, nervous, unsettled)
7
ambivalent(adjective, open, uncertain, hesitant)
7
hidden(adjective, obscure, heavy, strange)
6
vacillating(adjective, uncertain, nervous, unsettled)
6
concealed(adjective, obscure, difficult, uncertain)
6
inconstant(adjective, hesitant, changeable, unsure)
6
irresolute(adjective, open, uncertain, nervous)
5
abstruse(adjective, obscure, difficult, uncertain)
5
changeable(adjective, uncertain, hesitant, unsure)
5
evasive(adjective, uncertain, careful, deceitful)
5
indecisive(open, obscure, uncertain, unsettled)
5
problematic(adjective, clear, uncertain, definite)
4
arcane(adjective, obscure, difficult, uncertain)
4
in doubt(expression, adjective, open, obscure, uncertain)
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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>