dullness

dull  (dl)

adj. dull·er, dull·est

1. Intellectually weak or obtuse; stupid.

2. Lacking responsiveness or alertness; insensitive.

3. Dispirited; depressed.

4. Not brisk or rapid; sluggish: Business is dull.

5. Not having a sharp edge or point; blunt: a dull knife.

6. Not intensely or keenly felt: a dull ache.

7. Arousing no interest or curiosity; boring: a dull play.

8. Not bright or vivid. Used of a color: a dull brown.

9. Cloudy or overcast: a dull sky.

10. Not clear or resonant: a dull thud.

tr. & intr.v. dulled, dull·ing, dulls

To make or become dull.

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[Middle English dul; akin to Old English dol.]

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dullish adj.

dullness, dulness n.

dully adv.

Synonyms: dull, colorless, drab¹, humdrum, lackluster, pedestrian, stodgy, uninspired
These adjectives mean lacking in liveliness, charm, or surprise: a dull, uninteresting performance; a colorless and unimaginative person; a drab and boring job; a humdrum conversation; a lackluster life; a pedestrian movie plot; a stodgy dinner party; an uninspired lecture.

Antonym: lively

Thesaurus

Noun	1.	dullness - the quality of being slow to understand 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; "the stories were of a dullness to bring a buffalo to its knees" uninterestingness - inability to capture or hold one's interest boringness, dreariness, insipidity, insipidness - extreme dullness; lacking spirit or interest 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; "the brightness of the orange sky was reflected in the dullness of the orange sea" visual property - an attribute of vision subduedness, dimness - the property of lights or sounds that lack brilliance or are reduced in intensity 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 a continuum from black to white
	4.	dullness - lack of sensibility; "there was a dullness in his heart"; "without him the dullness of her life crept into her work no matter how she tried to compartmentalize it." callousness, unfeelingness, callosity, insensibility, hardness - devoid of passion or feeling; hardheartedness
	5.	dullness - without sharpness or clearness of edge or point; "the dullness of the pencil made his writing illegible" bluntness 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" asperity, sharpness - harshness of manner keenness, sharpness - thinness of edge or fineness of point

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dullness

noun 1. tediousness, monotony, banality, flatness, dreariness, vapidity, insipidity << OPPOSITE interest

noun 2. stupidity, thickness, slowness, dimness, obtuseness, doziness Brit. (informal) dim-wittedness, dopiness (slang) << OPPOSITE intelligence

noun 3. drabness, greyness, dimness, gloominess, dinginess, colourlessness << OPPOSITE brilliance