"Gets the picture" is an idiomatic expression that means to understand or comprehend something. Its antonyms would be phrases or words that indicate a lack of understanding or confusion. Some possible antonyms for "gets the picture" could include "doesn't get it," "doesn't see the point," "can't make heads or tails of it," or "is in the dark about." These phrases convey a state of misunderstanding, puzzlement or lack of comprehension. In order to avoid confusion, it is important to explain concepts in a clear and concise way, so that everyone can "get the picture.