disorganize

Synonyms: break down break up clutter complicate confound confuse demobilize derange destroy disarrange disarray disband discompose discreate dishevel dislocate disorder disperse disturb embroil jumble litter mess up mislay misplace muddle perturb put out of order scatter scramble shuffle toss turn topsy-turvy unsettle upset

Antonyms: compose neaten order organize plan systematize tidy