Synonyms of dull
120 similar words · 27 opposite words
Another word for dull is blunt. Other synonyms of dull are wan, corny, lifeless, drab and lackluster. The opposite of dull is sharp.
Synonyms and similar words for dull
adjectiveLacking the ability to cut easily; not sharp.
- bluntHaving a thick edge or point; not sharp.
adjectiveBoring; not exciting or interesting.
- banalCommon in a boring way, to the point of being predictable; containing nothing new or fresh.
- basicUnremarkable or uninteresting; boring; uncool.
- mindlessOverly repetitive and unchallenging, not requiring any careful attention or providing any significant stimulation.
- beat slang
- blahDull; uninteresting; insipid.
- commonplaceOrdinary; not having any remarkable characteristics.
- blandLacking interest; boring; dull.
- boring
- colourlessHaving little or no colour.
- cornyBoring and unoriginal.
- drabOf the color of some types of drabcloth: dull brownish yellow or dun.
- stuffy
- dreich ScotlandNot enjoyable or interesting; boring, dull.
- drowsyBoring.
- dull as dishwaterBoring; ordinary; exceedingly dull.
- flatWithout variation in tone or hue (uniform), and dull (not glossy).
- heavy going
- ho-humBoring; not interesting or novel.
- humdrumLacking variety or excitement; dull; boring.
- insipidFlat; lacking character or definition.
- lacklusterLacking brilliance or intelligence.
- lame
- languidOf a person or their actions, character, etc.: lacking drive, emotion, or enthusiasm; apathetic, listless, spiritless...
- lifelessInanimate; having no life.
- longsome UK, dialectal
- monotonous
- mundaneOrdinary; not new; part of the mainstream culture.
- no fun at partiesBoring or pedantic.
- plain
- ploddingProgressing slowly and laboriously.
- prosaicOverly plain, simple or commonplace, to the point of being boring.
- prosyUnpoetic; dull and unimaginative.
- pedantic
- pedestrianOrdinary, dull; everyday; unexceptional.
- static
- straightforward
- snoozeworthyVery boring.
- soporificBoring, dull.
- tediousBoring, monotonous, time-consuming, wearisome, livelong.
- uncoolNot in accord with the current fashion, standards, or mores of a particular group; not cool.
- wanDim, faint.
- weaksauce informalLacking in interest or substance; boring, disappointing, lackluster.
- woodenAs if made of wood; moving awkwardly, or speaking with dull lack of emotion.
- uninterestingArousing little or no interest; boring or uneventful.
- stodgyDull, old-fashioned.
- vapidLifeless, dull, or banal.
- vanilla
- cold obsoleteUnexciting; dull; uninteresting.
adjectiveNot shiny; having a matte finish or no particular luster or brightness.
- matteDull; not reflective of light.
- dimNot bright or colorful.
- dingyDark, dull.
- faintBarely perceptible; not bright, or loud, or sharp.
- leadenResembling the color of lead, metallic or dark gray; (of daylight) dim, overcast.
- muddyOf a colour: not bright: dirty, dull.
- sad figurativelyOf colours: dark, deep; later, sombre, dull.
- soberDull; not bright or colorful.
- uncolorfulNot colorful; dull or colorless.
- unholidayGrim or drab; the antithesis of festive.
adjectiveNot bright or intelligent; stupid; having slow understanding.
- addlebrainedSynonym of addlepated.
- addlepatedAddled; confused; stupid; flustered.
- airheaded
- bee-brainedExtremely stupid.
- beef-wittedStupid; dull.
- soft informal
- beefheadedStupid; dull-witted.
- beetle-headedMentally dull; stupid.
- birdbrainedSilly and frivolous; empty-headed.
- blockheadedResembling a blockhead; stupid.
- BoeotianStupid, foolish, dull-witted.
- boneheadedResembling or characteristic of a bonehead.
- boofheadedStupid; dimwitted.
- braindead
- brainlessUnintelligent, with little common sense.
- bubbleheadedStupid; vacuous.
- buffle-headedDull; stupid; blundering.
- bullet-headedStubborn and stupid.
- cerebrally challengedOf low intelligence; stupid.
- childish
- chowderheadedStupid; foolish; lacking in common sense.
- chuckleheadedStupid, idiotic.
- crackbrainedIdiotic.
- cretinousCharacteristic of a cretin; very stupid.
- daft
- denseSlow to comprehend; of low intelligence. (of a person).
- dentedExtremely stupid.
- dim-bulbSlow-witted, stupid.
- dim-headedSynonym of dim-witted.
- dim-wittedBeing a dimwit; stupid; foolish; simple.
- doltishLike a dolt; dull in intellect; stupid.
- dopeyStupid, silly.
- dozyIntellectually slow.
- dull-headedSynonym of dull-witted.
- dull-mindedDim-witted, stupid, unintelligent.
- dull-wittedHaving a dull, blunt wit or mind; unintelligent.
- dumber than a box of rocksVery stupid.
- dumbStupid.
- dunderheadedStupid, foolish.
- empty-headedUnintelligent.
- fatheadedCharacteristic of a fathead; stupid.
- feeble-mindedWeak in intellectual power; lacking firmness or constancy; lacking intelligence.
- flea-brainedIdiotic.
- foolish
- fuzzy-headedCharacterized by vague or confused thinking: foolish, dull-witted, drunk.
- fuzzy-mindedSynonym of fuzzy-headed: characterized by vague or confused thinking, dull-witted.
- goofy
- half-brainedExhibiting low intelligence, as if having only half a brain.
- half-wittedHaving low intelligence.
- hammer-headedStupid, ignorant.
- idiotic
- ignorant
- imbecilicLike or as an imbecile; so senseless as to be laughable; absurd, foolish, stupid, idiotic.
- inane
- intellectually challengedOf low intelligence; stupid.
- knuckleheadedStupid or inept, like a knucklehead.
- lamebrainedFoolish; stupid.
- lowbrowUnsophisticated, not intended for an audience of intelligence, education or culture.
- lumpishDull and slow in acting, thinking, etc.; without energy; cloddish, lethargic, slow-witted, sluggish.
- lunkheadedObtuse; foolish; idiotic.
- mentally challengedHaving low intelligence.
Opposite of dull
adjectiveLacking the ability to cut easily; not sharp.
- sharpTerminating in a point or edge, especially one that can cut or pierce easily; not dull, obtuse, or rounded.
adjectiveNot shiny; having a matte finish or no particular luster or brightness.
- brightOf an object, surface, etc.: reflecting much light; having a high lustre; gleaming, shiny.
adjectiveNot bright or intelligent; stupid; having slow understanding.
- astute
- brainyVery intellectually capable.
- brilliant
- clever
- educated
- geniusIngenious, brilliant, very clever, or original.
- giftedEndowed with special, in particular intellectual, abilities.
- hivey US, slang
- ingenious
- intellectual
- intelligent
- keen
- knowledgeable
- piquant
- quick
- quick on the uptakeAble to readily understand things; aware and intelligent.
- quick-witted
- rational
- sagaciousHaving or showing keen discernment, sound judgment, and farsightedness; mentally shrewd.
- savvyShrewd, well-informed and perceptive.
- scholaredTaught; trained; educated.
- smartExhibiting social ability or cleverness.
- talentedEndowed with one or more talents.
- whip-smartVery intelligent.
- wise
Meaning of dull
- adjective Lacking the ability to cut easily; not sharp.
- adjective Boring; not exciting or interesting.
- adjective Not shiny; having a matte finish or no particular luster or brightness.
dull in other languages
Questions about synonyms of dull
- What is another word for dull?
- Dull has 120 synonyms on Word.ws, such as blunt, wan, corny, lifeless, drab, lackluster, banal and dim.
- What is the opposite of dull?
- The opposite of dull is sharp. Other antonyms of dull are bright and smart.
- What does dull mean?
- Dull means lacking the ability to cut easily; not sharp.
Source and license
Adapted from Wiktionary: dull (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.
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Cite this page: “Synonyms of dull.” Word.ws, https://word.ws/synonyms/dull. Based on Wiktionary, CC BY-SA 4.0.