68 entries under doubtful topic. ×

5
problematic(adjective, uncertain, unsettled, unclear)
4
erratic(adjective, vague, hesitant, changeable)
4
in doubt(expression, adjective, idiom, open, uncertain)
4
up in the air(expression, adjective, idiom, open, certain)
3
conjectural(adjective, vague, hesitant, changeable)
3
controversial(adjective, unsettled, undecided, debatable)
3
unclear(adjective, open, uncertain, vague)
3
unpredictable(adjective, vague, hesitant, changeable)
2
hazy(vague, hesitant, changeable, unsure)
1
ambiguous(adjective, open, unsettled, vague)
1
fitful(vague, hesitant, changeable, unsure)
1
incalculable(adjective, vague, hesitant, changeable)
1
inconstant(vague, hesitant, changeable, unsure)
1
irregular(vague, hesitant, changeable, unsure)
1
speculative(uncertain, vague, unsure)
1
suspect(uncertain, speculative, debatable)
1
theoretical(uncertain, hesitant, dubious, unsure)
1
unconfirmed(vague, hesitant, changeable, unsure)
1
unfixed(vague, hesitant, changeable, incomplete)
1
unforeseeable(vague, hesitant, changeable, unsure)
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APASmart Define. (2015). unresolved thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unresolved/thesaurus/synonyms
ChicagoSmart Define. 2015. "unresolved thesaurus" https://smartdefine.org/unresolved/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, unresolved thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unresolved/thesaurus/synonyms>.
MLASmart Define. "unresolved thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/unresolved/thesaurus/synonyms>