Seriate, which means to arrange, organize or sequence something in a particular order, has many antonyms, including disarrange, shuffle, jumble, mess up, mix up, disorder, and scramble. Disarrange is the act of putting something out of order, while shuffle is the act of mixing up or jumbling things in a disorderly manner. Jumble is similar but implies a state of confusion or disorder. Mess up and mix up means to confuse or muddle something in a confused and disordered way. Disorder means to disrupt the order of things, and scramble is the act of confusing or disrupting something in a disordered way.