addled

Adjective

Synonyms: befuddled muddled muzzy woolly wooly woolly-headed wooly-minded

WordNet 3.0

Adjective (2)

(of eggs) no longer edible“an addled egg”
confused and vague; used especially of thinking“muddleheaded ideas”“your addled little brain”“woolly thinking”“woolly-headed ideas”Synonyms: befuddled muddled muzzy woolly wooly woolly-headed wooly-minded

Webster's Dictionary (GCIDE)

Addle \Ad"dle\, v. t. & i. [imp. & p. p. Addled; p. pr. & vb. n. Addling.] To make addle; to grow addle; to muddle; as, he addled his brain. "Their eggs were addled." --Cowper. [1913 Webster]