The frequent viewing, though, introduces a problem that rubbernecking never had—the dulling and inuring effects of repetition.
How I welcomed the gradual deadening of my senses, the dulling of my fevered brain!
I should merely be dulling your appetite, without satisfying your hunger.
Brought to earth by this mischance, he saw our follies and our crimes without the dulling influence of custom.
There is a pathetic reference in a letter to this dulling of his power of vision.
Already the mist was making grey softness of the air, dulling the street lights to ruddy orange.
A look of fright and joy came into Mrs. Vincent's dulling eyes.
It is also dulling her sense of the necessity of keeping her business abreast with the times.
There came a louder clamor—volcanic, chaotic, dulling the thunders.
The passion of the man, the terrible pity for these people, came out of his soul now, whitening his face and dulling his eyes.
c.1200, "stupid;" early 13c., "blunt, not sharp;" rare before mid-14c., apparently from Old English dol "dull-witted, foolish," or an unrecorded parallel word, or from Middle Low German dul "slow-witted," both from Proto-Germanic *dulaz (cf. Old Frisian and Old Saxon dol "foolish," Old High German tol, German toll "mad, wild," Gothic dwals "foolish"), from PIE *dheu- (1) "dust, vapor, smoke" (and related notions of "defective perception or wits"). Of color from early 15c.; of pain or other sensations from 1725. Sense of "boring" first recorded 1580s.
dull. (8) Not exhilarating; not delightful; as to make dictionaries is dull work. [Johnson]Dullsville, slang for "town where nothing happens," attested from 1960.
c.1200, "to grow weary, tire;" of pointed or edged things from c.1400; of the senses from 1550s; from dull (adj.). Related: Dulled; dulling.
adj. dull·er, dull·est
Lacking responsiveness or alertness; insensitive.
Not intensely or keenly felt, as in pain.