Definition of addle in English:

addle

verb

  • 1humorous [with object] Make (someone) unable to think clearly; confuse:

    ‘being in love must have addled your brain’
    • ‘Even though my brain is addled with cough syrup and Advil, the fabulous feeling of freedom is not lost on me.’
    • ‘The fact that she was even considering the idea showed that he'd quite addled her brain, she thought.’
    • ‘‘Your friend,’ stated Jeff and went to his own room, no doubt to immerse himself in all his stupid computer games that I was sure was addling his brain.’
    • ‘This was all very strange to Helano; it was confusing and addling her brain.’
    • ‘That swim you took must have addled your brains more than I thought.’
    • ‘Was it conceivable that the drugs he had been given for pain had permanently addled his brain?’
    • ‘I think the alcohol from last night has addled your brain, because you couldn't be more far off.’
    • ‘The drugs have addled him so much that it takes pot, alcohol, ecstasy, Special K and GHB to give him that special happy feeling now when he goes out.’
    • ‘It must have really addled his brain for him not to understand something this basic and this obvious.’
    • ‘Try as I may, though, it's been a dull day, with my brain partly addled by pain-killers.’
    • ‘He knew the drugs Paul had given him would addle his brain, but surely not to the extent he couldn't follow a conversation with his little brother.’
    • ‘We're addled by Arizona's talent, impressed by the Wildcats' intensity, and downright dipsy-doodled by their depth.’
    • ‘Has that second bottle of Beaujolais addled his brain, inducing some kind of hallucinatory fever?’
    • ‘The Bethany Bash is to be held this Friday and Saturday and aptly called ‘Double Bheja Fry’ because it promises to addle your brains with fun and frolic.’
    • ‘This damned heat has addled many people's wits, mine included: made us sluggish, unquestioning, apathetic.’
    • ‘He felt silly that he'd allowed her muddled ravings to addle him in the first place.’
    • ‘I vaguely remember a similarly soaked occasion when I was a child, where I tried to shake like a dog and my mother said it addled the brain.’
    muddled, confused, fuddled, befuddled, bewildered, dazed, dizzy, disoriented, disorientated, stupefied, unbalanced, unhinged, demented, deranged
    discombobulated, woolly, muzzy, woozy, dopey, not with it, bamboozled, fazed
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  • 2[no object] (of an egg) become rotten, producing no chick:

    ‘the extremely hot and dry weather had caused the eggs to addle’
    • ‘At 106 degrees, the eggs will addle (become unviable) or nestlings will die of heat stress.’
    • ‘There she was, sitting as usual, and I was so concerned, believing that due to my interference all the eggs had addled—for I thought the hatching time was three weeks.’
    • ‘If a bird keeps leaving her eggs and only pops in for a quick visit from time to time, the eggs will addle and come to nothing.’
    • ‘There is an unpleasant smell in the goose shed and we suspect that the early laid eggs have addled.’
    rotten, off, decayed, decomposed, decomposing, putrid, putrefied, putrescent, mouldy, mouldering
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adjective

  • 1[in combination] Not clear or cogent; muddled:

    ‘the film is addle-brained’
  • 2archaic (of an egg) rotten.

Origin

Middle English (in addle): from Old English adela ‘liquid filth’, of Germanic origin; related to Dutch aal and German Adel mire, puddle.

Pronunciation:

addle

/ˈad(ə)l/