addled
ad-dled
adjective
Spoiled or rotten, typically referring to an egg.
"She discovered an addled egg in the carton."
adjective
Mentally confused and unable to think clearly.
"The long journey left him feeling completely addled."
Thesaurus
Synonyms: stale, wooly, wooly-minded, muddled, muzzy, woolly, woolly-headed, confused, befuddled