Synonyms of dully

2 Syllables
dimly, slowly, dumbly, thickly
3 Syllables
listlessly, heavily, dingily, duskily, densely, gloomily, sluggishly, tediously, wearily, hazily
4 Syllables
obtusely, lifelessly, obscurely, nebulously, massively, dejectedly, ponderously, tenebrously
5 Syllables
lethargically, indefinably
6 Syllables
unintelligently