Adjective
my brain grew more and more addle as I made my way through the tax instructions Verb
It's a dangerous poison that's strong enough to addle the brain.
Their brains were addled with fear.
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Adjective
Soon enough, the foursome are in the back of that truck in an adventure that begins as a moneymaking scheme and promises to become a heroic journey into the heart of white supremacy at its most virulent and addle-minded.—Ann Hornaday, Twin Cities, 25 July 2019
Verb
Newer findings about how air pollution may addle a body—by worsening mental health or triggering more cases of neurodegenerative disease, for example—haven’t yet been included in the EPA’s risk-benefit assessments of air-quality regulations, Casey added.—Zoë Schlanger, The Atlantic, 9 Apr. 2025 Members of a generation that’s been addled by the internet’s intrusions since birth, many of them seem much less bullish about chasing mass appeal.—Rachel Syme, The New Yorker, 12 Mar. 2025 See All Example Sentences for addle
Word History
Etymology
Adjective
Middle English adel- (in adel eye "putrid egg"), attributive use of Old English adela "filth, filthy or foul-smelling place," going back to Germanic *adela-, *adelōn- (whence Middle Dutch ael "liquid manure," Middle Low German ādel, ādele, Middle High German —east Upper German— adel, regional Swedish adel, al "animal urine"), of obscure origin
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