The term "wert often in" doesn't make much sense on its own. However, it's possible to talk about antonyms of individual words that could fit in this phrase. For example, some antonyms of "often" could be "rarely," "seldom," or "infrequently." Similarly, antonyms of "wert" (an archaic form of "were") might include "wasn't," "isn't," "haven't been," or "won't be." By combining these antonyms, we could create different phrases with very different meanings, such as "weren't often in," "wasn't seldom there," or "haven't been infrequent visitors." Antonyms help to add nuance and depth to our language, helping us to better express ourselves in a variety of contexts.