89 entries under dull topic. ×

2
doleful(adjective, dark, gloomy)
2
dusky(adjective, quiet, soft, obscure)
2
joyless(adjective, dark, gloomy)
2
leaden(adjective, quiet, soft, severe)
2
lugubrious(adjective, dark, gloomy, serious)
2
melancholy(adjective, reasonable, keen, dark)
2
mournful(adjective, dark, gloomy)
2
pacific(adjective, calm, quiet, soft)
1
cloudy(adjective, soft, obscure, flat)
1
deadpan(adjective, quiet, set, cool)
1
dim(verb, adjective, quiet, soft)
1
murky(adjective, soft, obscure, flat)
1
muted(adjective, quiet, soft, reasonable)
1
obscure(adjective, soft, flat, dark)
1
ponderous(quiet, big, heavy, substantial)
1
shadowy(adjective, soft, obscure, flat)
1
toned down(expression, adjective, calm, quiet)
0
bleak(dark, gloomy)
0
caliginous(dark, gloomy)
0
depressive(dark, gloomy)
11 years ago|30k views|share |citing 
APASmart Define. (2015). sober thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sober/thesaurus/synonyms
ChicagoSmart Define. 2015. "sober thesaurus" https://smartdefine.org/sober/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, sober thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sober/thesaurus/synonyms>.
MLASmart Define. "sober thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/sober/thesaurus/synonyms>