The phrase "gotten under control" implies that a situation that was once chaotic or out of hand has been brought to order. Antonyms or opposite words for this phrase include "out of control," "chaotic," "disarrayed," "ungoverned," "unchecked," "wild," and "unregulated." These terms suggest that a situation is not being managed or supervised properly, and it is spiraling out of control. When things get out of hand, it can be challenging to regain control, but it is essential to mitigate the impact of the situation. By recognizing the warning signs of an out-of-control situation, one can take steps to address the issue and restore a sense of order.