Antonyms for the phrase "gets the idea" could include: confused, baffled, bewildered, puzzled, or muddled. When someone "gets the idea," they have a clear understanding of the concept or situation at hand. However, when someone is confused, baffled, or bewildered, they are unsure or uncertain about the idea. Similarly, if someone is puzzled or muddled, they may have a partial understanding but are still uncertain about the idea as a whole. It's important to be able to identify antonyms for words or phrases as it can enhance your overall vocabulary and improve your ability to communicate effectively.