Muddle is a verb that refers to the act of confusing or mixing things up. Other words that can be used as synonyms for muddle include jumble, mess, mix-up, befuddle, confuse, scramble, discombobulate, and disarrange. When ideas are mixed up, they can be described as garbled or incoherent. When something is confusing, it can be called perplexing or puzzling. Similarly, throwing things into disarray can be described as disordering. When someone is unable to think clearly, they can be said to be muddled. All these words are useful to describe situations that involve confusion, chaos, and disorganization.