73 entries under obscure topic. ×

3
dubitable(adjective, clear, certain, uncertain)
3
unfathomable(adjective, hard, difficult, uncertain)
2
abstruse(adjective, hard, difficult, loose)
2
amphibological(adjective, rough, difficult, dark)
2
concealed(adjective, difficult, uncertain, doubtful)
2
dusky(adjective, dull, dark, gloomy)
2
hidden(adjective, hard, delicate, loose)
2
problematical(adjective, clear, hard, delicate)
2
thick(adjective, dull, doubtful, dim)
1
clear as dishwater(expression, uncertain, vague, indefinite)
1
difficult(adjective, hard, uncertain, complex)
1
enigmatical(hard, delicate, uncertain, vague)
1
gray(adjective, dark, gloomy, vague)
1
in question(adjective, idiom, clear, certain)
1
mushy(dull, dim, cloudy, hazy)
1
overcast(adjective, dull, dark, gloomy)
1
shady(adjective, uncertain, doubtful, unsettled)
1
smoggy(dull, dim, cloudy, hazy)
1
soupy(dull, dim, cloudy, hazy)
1
vaporous(dull, dim, cloudy, hazy)
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APASmart Define. (2015). unclear thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unclear/thesaurus/synonyms
ChicagoSmart Define. 2015. "unclear thesaurus" https://smartdefine.org/unclear/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, unclear thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unclear/thesaurus/synonyms>.
MLASmart Define. "unclear thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/unclear/thesaurus/synonyms>