2
bleakly
2
cheerlessly
2
cynically(adverb, sullenly, bad feelings)
2
deep
2
deeply
2
dingily(adverb, blackly)
2
dully(adverb, gloomily, vaguely, dimly, indistinctly)
2
frowningly(adverb, sullenly)
2
hazily(adverb, opaquely)
2
impenetrably(adverb, opaquely)
2
melancholically(adverb, sullenly)
2
moodily(adverb, sullenly)
2
opaquely(adverb, opaquely)
2
shadowily
2
sombrely
2
sulkily(adverb, sullenly)
1
abstrusely
1
achromatically
1
aristocratically
1
badly
10 years ago|7.6k views|share |citing 
APASmart Define. (2016). darkly thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/darkly/thesaurus/synonyms
ChicagoSmart Define. 2016. "darkly thesaurus" https://smartdefine.org/darkly/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, darkly thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/darkly/thesaurus/synonyms>.
MLASmart Define. "darkly thesaurus" 24 March 2016. Web. 20 September 2026. <https://smartdefine.org/darkly/thesaurus/synonyms>