dulness
Absence of sharpness
Dulness is an older spelling of dullness, the quality of being dull.
It appears in older texts, most notably as the goddess presiding over Pope's *Dunciad*, where she embodies stupidity and mediocrity triumphant.
Modern usage strongly prefers the double-l spelling.
Wearisome dullness
- ennuiWeary, listless dissatisfaction
- wearinessState of being drained
- fatigueWeariness from prolonged exertion
- monotonyTiresome lack of change
dreariness · sameness · humdrum · routine · drudgery · stagnation · lifelessness · flatness
Absence of color or interest
- blandnessAbsence of distinctive qualities
- plainnessUnadorned, straightforward quality
- unremarkablenessLack of distinction
- mediocrityQuality of being average
ordinariness · commonplaceness · mundaneness · prosaicness · tediousness · flatness · colorlessness · lifelessness
Lack of interest
- lethargyAbnormal drowsiness and apathy
- listlessnessAbsence of energy, enthusiasm
- torporInactive, sluggish state
- languorWeary, dreamy fatigue
sluggishness · passivity · numbness · insensibility · unresponsiveness · phlegm · impassivity · stolidity
Slowness to understand
- densenessCrowded or stupid quality
- slow-wittednessInability to think quickly
- thickheadednessState of being slow-witted
- dimnessInsufficient illumination
doltishness · witlessness · incomprehension · vacuity · brainlessness · mindlessness · unintelligence · opacity
tedium
Wearisome dullness
- ennuiWeary, listless dissatisfaction
- wearinessState of being drained
- fatigueWeariness from prolonged exertion
monotony · dreariness · sameness · humdrum · routine · drudgery · stagnation · lifelessness · flatness · vapidity
drabness
Absence of color or interest
- blandnessAbsence of distinctive qualities
- plainnessUnadorned, straightforward quality
- unremarkablenessLack of distinction
mediocrity · ordinariness · commonplaceness · mundaneness · prosaicness · tediousness · flatness · colorlessness · lifelessness · insipidness
indifference
Lack of interest
- lethargyAbnormal drowsiness and apathy
- listlessnessAbsence of energy, enthusiasm
- torporInactive, sluggish state
languor · sluggishness · passivity · numbness · insensibility · unresponsiveness · phlegm · impassivity · stolidity · inertia
obtuseness
Slowness to understand
- densenessCrowded or stupid quality
- slow-wittednessInability to think quickly
- thickheadednessState of being slow-witted
dimness · doltishness · witlessness · incomprehension · vacuity · brainlessness · mindlessness · unintelligence · opacity · stolidity
edgeless
Without a rim
- unsharpenedWithout a keen edge
- bluntedMade less sharp
- roundedHaving no sharp angles
dulnesssharpness
Keenness of edge, mind, or image
keenness · cleverness · brilliance · intelligence · sagacity
dulnessbrightness
Degree of light emitted
vividness · sharpness · intensity · brilliance · clarity
dulnessexcitement
State of eager enthusiasm
liveliness · fascination · interest · vivacity · animation
dull, dulled, dullness, dully, dulling, duller, dullard, dullest, dullish