dullness Synonyms

bluntness obtuseness stupefaction stubbiness stolidness stolidity sterility stealthiness staleness sopor somnolence somberness stupidity stupor tardiness uniformity unconcern toupee torpor torpitude torpidness torpidity torpescence tiredness tedium smokiness slowness sloth platitude phlegm pedestrianism passivity passiveness passableness paralysis pandiculation pallidity pall pococurantism ponderousness sleepiness silveriness shadowiness segnity sandman sameness sallowness remissness prostration prosiness