Synonyms of dullness

1 Syllable

gloom, glooms, phlegm, sleep

2 Syllables

languor, drabness, numbness, shuteye, dryness, tedium, stupors, stupor, torpor, sandman, comae, sopors, flatness, deadness, slowness, doldrums, sopor

3 Syllables

narcosis, slumberland, laziness, drowsiness, lethargy, hypnosis, hypnoses, dreariness, woefulness, abjectness, stolidness, slothfulness, sluggardness, fatigue, boredoms, languidness, depression, staleness, tediousness, levelness, stagnation, faineance, torpidness, routine, faineancy, depressions, sameness, apathy, shiftlessness, dreaminess, mournfulness, boredom, jadedness

4 Syllables

hebetude, petrifaction, oscitancy, incuriousness, hibernation, torpidity, vapidity, paralysis, flavorlessness, insipidness, monotomy, otiosity, inanition, savorlessness, paralyses, monotone, passivity, aridity, fatigation, lassitude, monotony, colorlessness, do-nothingness, supineness, torpescence, stolidity, neglectfulness, petrifactions, lifelessness, morbidity, morbidities, world-weariness

5 Syllables

disconsolation, lugubriosity, insipidity, pococurantism, familiarity, immobility, overtiredness, repetitiousness, unchangeableness, equability, tiresomeness, insensibleness, dilatoriness, leisureliness, impassivity, incuriosity, commonplaceness

6 Syllables

unresponsiveness, uninterestingness, invariability, repetitiveness