90 entries under obscure topic. ×

7
muddy(adjective, clear, uncertain, definite)
7
shady(adjective, dull, dark, gloomy)
6
concealed(adjective, difficult, uncertain, doubtful)
6
dreamy(adjective, excellent, gentle, careless)
6
incoherent(adjective, incomprehensible, unformed, illegible)
5
abstruse(adjective, difficult, uncertain, doubtful)
5
dusky(adjective, dull, dark, gloomy)
5
indecisive(open, uncertain, doubtful, unsettled)
5
turbid
5
unsubstantial(adjective, excellent, gentle, negative)
5
vaporous(adjective, negative, airy, cloudy)
4
arcane(adjective, difficult, uncertain, doubtful)
4
crepuscular(adjective, dull, dark, gloomy)
4
in doubt(expression, adjective, open, uncertain)
4
inconclusive(adjective, uncertain, anxious, unknown)
4
obfuscated
3
amphibological(adjective, clear, rough, difficult)
3
baffling(adjective, difficult, uncertain, unclear)
3
hesitant(adjective, open, uncertain, nervous)
3
overcast(verb, adjective, dull, dark)
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APASmart Define. (2016). vague thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/vague/thesaurus/synonyms
ChicagoSmart Define. 2016. "vague thesaurus" https://smartdefine.org/vague/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, vague thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/vague/thesaurus/synonyms>.
MLASmart Define. "vague thesaurus" 29 February 2016. Web. 29 September 2026. <https://smartdefine.org/vague/thesaurus/synonyms>