- The definition of dull is someone who is stupid or boring or something that is not shiny or something that is not sharp.
- An example of dull is a book that is so boring you can't get past page ten.
- An example of dull is a rusted piece of metal that has not been polished and that no longer has any shine.
- An example of dull is a knife that no longer cuts well because it is no longer very sharp.
Apparently this book is dull.
- mentally slow; stupid
- lacking sensitivity; blunted in feeling or perception: dull to grief
- physically slow; slow-moving; sluggish
- lacking spirit, zest, etc.; not lively; listless, insipid, etc.
- not active or busy; slack: a dull period for sales
- causing boredom; tedious: a dull party
- not pointed or sharp; blunt; not keen: a dull blade
- not felt keenly; not acute: a dull headache
- not vivid; not brilliant; dim: a dull color
- not shiny or glossy; lusterless: a dull finish
- not distinct, resonant, etc.; muffled: a dull thud
- gloomy; cloudy: dull weather
Origin of dullMiddle English dul ; from Old English dol, stupid, akin to German toll ; from Indo-European an unverified form dh(e)wel- ; from base an unverified form dheu-, blow, be turbid from source dumb, dwell, Old Irish dall, blind, Classical Greek thanatos, death
- a. Arousing little interest; lacking liveliness; boring: a dull movie.b. Not brisk or rapid; sluggish: Business has been dull.
- Not having a sharp edge or point; blunt: a dull knife.
- a. Not intensely or keenly felt: a dull ache.b. Not bright, vivid, or shiny: a dull brown; a glaze with a dull finish.c. Cloudy or overcast: a dull sky.d. Not clear or resonant: a dull thud.
- Intellectually weak or obtuse; stupid.
- Lacking responsiveness or alertness; insensitive: half-asleep and dull to the noises in the next room.
- Dispirited; depressed: a dull mood.
tr. & intr.v.dulled, dull·ing, dulls
Origin of dullMiddle English dul; akin to Old English dol.
- dull′ness, dul′ness
(comparative duller, superlative dullest)
- Lacking the ability to cut easily; not sharp.
- All these knives are dull.
- Boring; not exciting or interesting.
- He sat through the dull lecture and barely stayed awake.
- When does having a dull personality ever get you a girlfriend? Even if you get one, how does being dull help you keep a relationship for over a year?
- Not shiny; having a matte finish or no particular luster or brightness.
- Choose a dull finish to hide fingerprints.
- a dull fire or lamp; a dull red or yellow; a dull mirror
- Not bright or intelligent; stupid; slow of understanding.
- Sluggish, listless.
- Cloudy, overcast.
- It's a dull day.
- Insensible; unfeeling.
- Heavy; lifeless; inert.
(third-person singular simple present dulls, present participle dulling, simple past and past participle dulled)
- To render dull; to remove or blunt an edge or something that was sharp.
- Years of misuse have dulled the tools.
- To soften, moderate or blunt; to make dull, stupid, or sluggish; to stupefy.
- He drinks to dull the pain.
- (intransitive) To lose a sharp edge; to become dull.
- A razor will dull with use.
- To render dim or obscure; to sully; to tarnish.
From Middle English dull, dul (also dyll, dill, dwal), from Old English dol (“dull, foolish, erring, heretical; foolish, silly; presumptuous”), from Proto-Germanic *dulaz, a variant of *dwalaz (“stunned, mad, foolish, misled”), from Proto-Indo-European *dʰwel-, *dʰewel- (“to dim, dull, cloud, make obscure, swirl, whirl”). Cognate with Scots dull, doll (“slow to understand or hear, deaf, dull”), North Frisian dol (“rash, unthinking, giddy, flippant”), Dutch dol (“crazy, mad, insane”), Low German dul, dol (“mad, silly, stupid, fatuous”), German toll (“crazy, mad, wild, fantastic”), Danish dval (“foolish, absurd”), Icelandic dulur (“secretive, silent”).