Pythonic is a term used to describe programming that adheres to the conventions and philosophy of the Python programming language. Some antonyms for Pythonic might include languages or programming styles that are not based on Python's design principles or coding practices. Common examples of these antonyms might include languages like Java or C++, which have different syntax, rules, and philosophies than Python. Other antonyms might include terms like "complex" or "inefficient," which represent programming styles that are not simple, clear, or easy to read, which are all key tenets of the Pythonic approach to programming.