115 entries under unclear topic. ×

2
inexact(adjective, open, weak, obscure, rough)
2
inexplicit(adjective, uncertain, vague, ambiguous)
2
muddy(uncertain, vague, indistinct, indistinguishable)
2
nebulous(weak, dubious, indistinct, indistinguishable)
2
pending(adjective, open, uncertain, unsettled, vague)
2
shadowy(adjective, weak, obscure, rough, dark)
2
unconfirmed(adjective, uncertain, shaky, vague, dubious)
2
undefined(adjective, weak, dark, uncertain, dim)
2
unspecific(adjective, vague, unknown, general)
2
unspecified(adjective, rough, vague, unknown)
1
amorphous(indistinct, indistinguishable)
1
clear as dishwater(expression, idiom, uncertain, vague)
1
enigmatical(uncertain, vague)
1
faint(unsettled, dubious, hazy, indistinct)
1
fat chance(expression, adjective, shaky, unlikely)
1
fuzzy(vague, ambiguous, hazy, misleading)
1
general(adjective, rough, vague, unknown)
1
ill-defined(adjective, weak, obscure, rough, dark)
1
inexplicable(dark, uncertain, mysterious, indistinct)
1
long shot(expression, adjective, shaky, risky)
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APASmart Define. (2016). doubtful thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/doubtful/thesaurus/synonyms
ChicagoSmart Define. 2016. "doubtful thesaurus" https://smartdefine.org/doubtful/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, doubtful thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/doubtful/thesaurus/synonyms>.
MLASmart Define. "doubtful thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/doubtful/thesaurus/synonyms>