10
gloomily(adverb, darkly, grayly)
9
grimly(adverb, seriously)
8
gravely(adverb, seriously, sadly, grimly, sternly)
8
solemnly(adverb, seriously, grimly, sternly)
7
soberly(adverb, seriously, grimly, sternly)
5
darkly(adverb, darkly)
5
drearily(adverb, darkly, grayly)
4
blackly(adverb, darkly)
4
dimly(adverb, darkly)
4
drably(adverb, grayly)
4
glumly
4
obscurely(adverb, darkly)
4
sadly(adverb, sorrowfully)
4
seriously(adverb, sadly, grimly, sternly, sorrowfully)
3
dingily(adverb, grayly)
3
dismally
3
dully(adverb, grayly)
3
earnestly(adverb, seriously)
3
leadenly(adverb, grayly)
3
sombrely
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APASmart Define. (2015). somberly thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/somberly/thesaurus/synonyms
ChicagoSmart Define. 2015. "somberly thesaurus" https://smartdefine.org/somberly/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, somberly thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/somberly/thesaurus/synonyms>.
MLASmart Define. "somberly thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/somberly/thesaurus/synonyms>