Whipped into shape is an idiomatic expression which means to discipline or make something or someone more efficient or effective. To find antonyms to this expression, one can consider words that are associated with complacency or lack of discipline. Words such as slack, unorganized, chaotic, and disheveled could be considered antonyms. Using these words to describe a situation or a person, one could imply that things have not been put into order, and discipline is lacking. When it comes to describing someone, antonyms could be undisciplined, disobedient, sloppy, and uncommitted. These words suggest that the individual is more likely to resist discipline and order.