dullness

Noun	1.	dullness - the quality of being slow to understand dulness, obtuseness stupidity - a poor ability to understand or to profit from experience oscitance, oscitancy - drowsiness and dullness manifested by yawning
	2.	dullness - the quality of lacking interestingness dulness uninterestingness - inability to capture or hold one's interest boringness, dreariness - extreme dullness tediousness, tiresomeness, tedium - dullness owing to length or slowness jejunity, tameness, vapidity, vapidness, jejuneness - the quality of being vapid and unsophisticated
	3.	dullness - a lack of visual brightness dulness visual property - an attribute of vision subduedness, dimness - the property of lacking brilliance lusterlessness, lustrelessness, matt, matte, flatness, mat - the property of having little or no contrast; lacking highlights or gloss brightness - the location of a visual perception along the black-to-white continuum
	4.	dullness - without sharpness of edge or point bluntness, dulness obtuseness - the quality of lacking a sharp edge or point shape, configuration, conformation, contour, form - any spatial attributes (especially as defined by outline); "he could barely make out their shapes through the smoke" asperity, sharpness - harshness of manner keenness, sharpness - thinness of edge or fineness of point

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