"Gotten a handle on" is a phrase that means to have control over something or to understand it fully. Its antonyms could be phrases like "lost control," "out of hand," or "in the dark." Other antonyms could include words like confused, perplexed, disorganized, or chaotic. When someone hasn't "gotten a handle on" something, they are likely struggling to keep up, lacking comprehension or struggling with a lack of perspective. It's essential to identify the correct antonyms for this phrase to communicate the opposite idea to others accurately. Understanding, control and stability are central concepts represented by "gotten a handle on," and antonyms should also convey their meanings effectively.