- 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
SynonymsSee more synonyms on Thesaurus.com
Examples from the Web for duller
Far less appreciated, Houston, rather than being a southern city of duller wits, actually ranks second in engineers per capita.Battle of the Upstarts: Houston vs. San Francisco Bay
October 5, 2014
How much drabber, duller, and more tedious this race will be without those daffy Huntsman girls.We'll Miss the Hunstman Daughters the Most
January 16, 2012
His daughters on the other hand… How much drabber, duller, and more tedious this race will be without those daffy Huntsman Girls.The Jon Huntsman Fallout
The Daily Beast
January 16, 2012
Peter Beinart says the House will be a duller, meaner place when he leaves.Charlie Rangel Found Guilty
November 16, 2010
That might very well be, for the duller often sees better than the keener eye.The Republic
All these yellows are duller at the horizon than a little way above.The Boy with the U. S. Weather Men
Francis William Rolt-Wheeler
He had heard something which her duller ears had failed to hear.Good Old Anna
Marie Belloc Lowndes
His life fell on duller times and among feebler contemporaries.Andrew Melville
Then the cavalcade would sweep on its way and the street be duller than before.Mary Gray
- 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 and History for duller
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.