64 entries under dull topic. ×

33
vague(adjective, clear, disorder, character)
28
hazy(adjective, obscure, vague, confused)
23
obscure(adjective, clear, rough, dark)
22
cloudy(adjective, clear, obscure, rough)
21
dim(adjective, obscure, rough, dark)
20
dark(adjective, obscure, rough, gloomy)
20
unclear(adjective, clear, obscure, certain)
18
indistinct(adjective, obscure, rough, dark)
17
foggy(adjective, obscure, rough, dark)
16
indefinite(adjective, disorder, obscure, confusion)
15
murky(adjective, obscure, dark, gloomy)
14
shadowy(adjective, obscure, rough, dark)
13
faint(adjective, obscure, rough, dark)
13
misty(adjective, obscure, dark, gloomy)
12
fuzzy(adjective, obscure, dark, vague)
11
clouded(adjective, obscure, dark, gloomy)
11
overcast(adjective, obscure, dark, gloomy)
10
blurred(adjective, obscure, gloomy, vague)
9
gloomy(adjective, dark, heavy, dim)
8
opaque(adjective, obscure, dark, gloomy)
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APASmart Define. (2016). nebulous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/nebulous/thesaurus/synonyms
ChicagoSmart Define. 2016. "nebulous thesaurus" https://smartdefine.org/nebulous/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, nebulous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/nebulous/thesaurus/synonyms>.
MLASmart Define. "nebulous thesaurus" 29 February 2016. Web. 25 September 2026. <https://smartdefine.org/nebulous/thesaurus/synonyms>