- not sharp; blunt: a dull knife.
- causing boredom; tedious; uninteresting: a dull sermon.
- not lively or spirited; listless.
- not bright, intense, or clear; dim: a dull day; a dull sound.
- having very little depth of color; lacking in richness or intensity of color.
- slow in motion or action; not brisk; sluggish: a dull day in the stock market.
- mentally slow; lacking brightness of mind; somewhat stupid; obtuse.
- lacking keenness of perception in the senses or feelings; insensible; unfeeling.
- not intense or acute: a dull pain.
- to make or become dull.
Origin of dull
Synonyms for dullSee more synonyms for on Thesaurus.com
Antonyms for dull
Related Words for dullingslow, slacken, ebb, wane, dwindle, recede, taper, subside, decrease, diminish, dull, lessen, ease, relieve, reduce, temper, soothe, alleviate, mollify, allay
Examples from the Web for dulling
Contemporary Examples of dulling
The frequent viewing, though, introduces a problem that rubbernecking never had—the dulling and inuring effects of repetition.Kevin Ware’s Broken Leg Will Live On in the Annals of Grisly Injuries
April 1, 2013
Historical Examples of dulling
I should merely be dulling your appetite, without satisfying your hunger.Daisy Ashford: Her Book
There is a pathetic reference in a letter to this dulling of his power of vision.Schopenhauer
A look of fright and joy came into Mrs. Vincent's dulling eyes.Margaret Vincent
Sophia Lucy Clifford
And with it a damping of her ardor, and a dulling of the fine edge of her enthusiasm.Carmen Ariza
Charles Francis Stocking
There came a louder clamor—volcanic, chaotic, dulling the thunders.The Metal Monster
- slow to think or understand; stupid
- lacking in interest
- lacking in perception or the ability to respond; insensitive
- lacking sharpness; blunt
- not acute, intense, or piercing
- (of weather) not bright or clear; cloudy
- not active, busy, or brisk
- lacking in spirit or animation; listless
- (of colour) lacking brilliance or brightness; sombre
- not loud or clear; muffled
- med (of sound elicited by percussion, esp of the chest) not resonant
- to make or become dull
Word Origin for dull
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.
- Lacking responsiveness or alertness; insensitive.
- Not intensely or keenly felt, as in pain.
In addition to the idiom beginning with dull
- dull as dishwater
- never a dull moment