Meanings
-
1
verb
to confuse or muddle; (of an egg) to become rotten
The endless figures began to addle her tired brain.
Thesaurus
Etymology
From Middle English adel ('rotten, filth'), from Old English adela ('mire, liquid filth'); the verb sense 'to confuse' arose from the figurative notion of an addled (rotten) egg.
View etymology graph ->