Synonyms of darkly

2 Syllables
sadly
3 Syllables
dingily, duskily, gloomily, emptily, hazily, dismally
4 Syllables
hopelessly, obscurely, nebulously, tenebrously, dejectedly, cynically, despairingly, despondently, spiritlessly
5 Syllables
indefinably, dispiritedly, desolately, desperately
6 Syllables
disconsolately, pessimistically