There are many synonyms for the phrase "more addlebrained" which means being even more confused or not able to think clearly. Some of these words include befuddled, muddled, perplexed, baffled and bewildered. These adjectives are used to describe someone who is struggling to comprehend a situation or find their way out of a problem. Other synonyms for addlebrained include disoriented, discombobulated, and dazed. The term addlebrained can also be replaced with words like scatterbrained, absent-minded, and flighty, which suggest that the person is preoccupied or distracted. Overall, these words help to express that someone is experiencing mental confusion or disorientation.