Antonyms for the phrase "got the drift" include words like confusion, uncertainty, obscurity, unfamiliarity, ambiguity, and vagueness. When someone says they "got the drift," they understand the essence or underlying meaning of something, or the general direction of a conversation or situation. The opposite antonyms refer to a lack of comprehension or a lack of clarity. These antonyms can be used in sentences like "I have no idea what you're talking about; there's a lot of ambiguity here," or "I'm unfamiliar with the topic, so I'm feeling a bit confused.