99 entries under vague topic. ×

1
amphibological(unclear, ambiguous, misleading, indistinct)
1
betwixt and between(expression, adjective, idiom, open, uncertain)
1
contingent(adjective, delicate, uncertain, unstable, doubtful)
1
enigmatical(uncertain, unclear)
1
fitful(irregular, doubtful, unpredictable, unreliable)
1
general(adjective, rough, unknown, unclear)
1
hanging by a thread(expression, adjective, idiom, delicate, uncertain)
1
ill-defined(adjective, rough, unknown, unclear)
1
imprecise(adjective, rough, unknown, unclear)
1
inaccurate(adjective, rough, false, unpredictable)
1
inexact(adjective, rough, uncertain, unknown)
1
loose(adjective, rough, unpredictable, unreliable)
1
muddy(uncertain, unclear, indistinct, indistinguishable)
1
on thin ice(expression, adjective, idiom, delicate, uncertain)
1
tenebrous(uncertain, unclear, ambiguous, misleading)
1
touch and go(expression, adjective, idiom, delicate, uncertain)
1
unexplicit(unclear, ambiguous, misleading, indistinct)
1
unfixed(adjective, uncertain, doubtful, hesitant)
1
unintelligible(uncertain, unclear, ambiguous, misleading)
1
unknown(adjective, rough, anxious, worried)
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APASmart Define. (2016). dubious thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/dubious/thesaurus/synonyms
ChicagoSmart Define. 2016. "dubious thesaurus" https://smartdefine.org/dubious/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, dubious thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/dubious/thesaurus/synonyms>.
MLASmart Define. "dubious thesaurus" 4 March 2016. Web. 27 September 2026. <https://smartdefine.org/dubious/thesaurus/synonyms>