addled

(verb) mix up or confuse. Synonyms: addle, muddle, puddle. Example: "He muddled the issues."

(verb) become rotten. Synonyms: addle. Example: "Addled eggs."

(adj) (of eggs) no longer edible. Example: "An addled egg."

(adj) confused and vague; used especially of thinking. Synonyms: befuddled, muddled, muzzy, woolly, wooly, woolly-headed, wooly-minded. Examples: "Muddleheaded ideas." "Your addled little brain." "Woolly thinking." "Woolly-headed ideas."