1. confused or unable to think clearly
2. rotten or spoiled (especially of eggs)

Examples

• After working all night, his addled brain couldn’t solve the simple math problem.
• The stress of the exam left her feeling completely addled.
• The farmer discarded the addled eggs from the henhouse.
• His addled thinking led to several poor decisions.
• She felt addled after the long, confusing meeting.
• The heat made him feel addled and dizzy.
• We found several addled eggs that had been sitting too long in the sun.