103 entries under vague topic. ×

3
indeterminable(adjective, unknown, general, unclear)
3
muddled(adjective, difficult, uncertain, sophisticated, doubtful)
3
problematic(adjective, uncertain, unreasonable, doubtful)
3
umbral
3
unsettled(adjective, rough, uncertain, doubtful, distant)
2
broad(adjective, unknown, general, unclear)
2
disorganized(adjective, rough, chaotic, unformed)
2
evasive(adjective, uncertain, doubtful, faint)
2
inaccurate(adjective, rough, inexact, sketchy)
2
oblique(adjective, difficult, ambiguous, misleading)
2
tricky(adjective, hard, difficult, complex, sophisticated)
2
unexplicit(adjective, unclear, ambiguous, misleading)
2
unsubstantial(adjective, unreasonable, dubious, unlikely)
2
woolly(uncertain, unclear)
1
abstract(hard, excellent, extraordinary, superior, fantastic)
1
amphibological(adjective, rough, difficult, dark, uncertain)
1
borderline(shaky, ambiguous, unlikely, misleading)
1
clear as dishwater(expression, uncertain, unclear, indefinite)
1
disreputable(shaky, ambiguous, unlikely, misleading)
1
fishy(uncertain, unreasonable, doubtful, shaky)
10 years ago|59k views|share |citing 
APASmart Define. (2016). obscure thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/obscure/thesaurus/synonyms
ChicagoSmart Define. 2016. "obscure thesaurus" https://smartdefine.org/obscure/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, obscure thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/obscure/thesaurus/synonyms>.
MLASmart Define. "obscure thesaurus" 29 March 2016. Web. 29 September 2026. <https://smartdefine.org/obscure/thesaurus/synonyms>