Definition of dull adjective from the Oxford Advanced Learner's Dictionary

      

    dull

     adjective
    adjective
    BrE BrE//dʌl//
     
    ; NAmE NAmE//dʌl//
     
    (duller, dullest) Boredom
     
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    boring
  1. 1  not interesting or exciting synonym dreary Life in a small town could be deadly dull. The countryside was flat, dull and uninteresting. The first half of the game was pretty dull. There's never a dull moment when John's around. Synonymsboringdull tediousThese words all describe a subject, activity, person or place that is not interesting or exciting.boring not interesting; making you feel tired and impatient:He’s such a boring man! She found her job very boring.dull not interesting or exciting:Life in a small town could be deadly dull.tedious lasting or taking too long and not interesting, so that you feel bored and impatient:The journey soon became tedious.Patterns to be boring/​dull/​tedious for somebody boring/​dull/​tedious subjects/​books boring/​dull/​tedious jobs/​work/​games a boring/​dull place/​man/​woman/​person deadly boring/​dull See related entries: Boredom
  2. light/colours
  3. 2  not bright or shiny a dull grey colour dull, lifeless hair Her eyes were dull.
  4. weather
  5. 3  not bright, with a lot of clouds synonym overcast It was a dull, grey day.
  6. sounds
  7. 4not clear or loud The gates shut behind him with a dull thud.
  8. pain
  9. 5not very severe, but continuous a dull ache/pain
  10. person
  11. 6slow in understanding synonym stupid a dull pupil
  12. trade
  13. 7(especially North American English) not busy; slow Don't sell into a dull market.
  14. Word Origin Old English dol ‘stupid’, of Germanic origin; related to Dutch dol ‘crazy’ and German toll ‘mad, fantastic, wonderful’.Extra examples The long lectures made the afternoon dull. The movie was long and deadly dull. The work gets a bit dull at times. He is the author of several dull novels. Her eyes were dull with dark shadows beneath them. The blood stained the grass a dull red colour. The fire died down to a dull glow. The town seemed deserted in the dull afternoon light. There’s never a dull moment when John’s around. We’ve had a dull start to the season.Idioms
    all work and no play (makes Jack a dull boy)
     
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    (saying) it is not healthy to spend all your time working; you need to relax too
    (as) dull as ditchwater(British English)(US English (as) dull as dishwater)
     
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    extremely boring I always found history as dull as ditchwater. More Like ThisSimiles in idioms (as) bald as a coot, (as) blind as a bat, (as) bright as a button, (as) bold as brass, as busy as a bee, as clean as a whistle, (as) dead as a/​the dodo, (as) deaf as a post, (as) dull as ditchwater, (as) fit as a fiddle, as flat as a pancake, (as) good as gold, (as) mad as a hatter/​a March hare, (as) miserable/​ugly as sin, as old as the hills, (as) pleased as Punch, as pretty as a picture, (as) regular as clockwork, (as) quick as a flash, (as) safe as houses, (as) sound as a bell, (as) steady as a rock, (as) thick as two short planks, (as) tough as old bootsSee worksheet.
See the Oxford Advanced American Dictionary entry: dull