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
That decision, even if only for exploratory purposes, should be left to a Congress whose majority isn’t addled by either devotion to Trump or fear of him.—Sun Sentinel Editorial Board, Sun Sentinel, 16 Jan. 2026 Sharif, now an old man (played by Mohammad Bakri), lives with them, his memory addled yet returning obsessively to the loss of his homeland.—Justin Chang, New Yorker, 14 Jan. 2026 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