125 entries under dull topic. ×

11
pale(adjective, weak, soft, gentle)
10
clouded(adjective, obscure, dark, gloomy)
10
imperceptible(adjective, hard, weak, soft)
9
tenebrous(adjective, clear, obscure, rough)
9
weak(adjective, soft, gentle, dark)
8
feeble(adjective, weak, soft, gentle)
7
shady(adjective, obscure, dark, gloomy)
5
drab(adjective, dark, gloomy, dim)
5
dusky(adjective, obscure, dark, gloomy)
5
empty(adjective, value, negative, insignificant)
4
crepuscular(adjective, obscure, dark, gloomy)
4
gloomy(adjective, dark, uncertain, dim)
4
meaningless(adjective, use, value, stupid)
4
neutral(adjective, flat, careful, pale)
4
random(noun, adjective, loose, wordy)
4
thin(adjective, weak, soft, gentle)
4
unclassified(ordinary, empty, lifeless, unknown)
3
caliginous(adjective, dark, gloomy, dim)
3
dingy(adjective, dark, gloomy, dim)
3
dusk(adjective, dark, gloomy, dim)
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APASmart Define. (2016). vague thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/vague/thesaurus/synonyms
ChicagoSmart Define. 2016. "vague thesaurus" https://smartdefine.org/vague/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, vague thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/vague/thesaurus/synonyms>.
MLASmart Define. "vague thesaurus" 29 February 2016. Web. 27 September 2026. <https://smartdefine.org/vague/thesaurus/synonyms>