Counterpole is a term that is not commonly used in everyday conversation. It refers to a pole placed opposite another for support, balance, or symmetry. Antonyms for this uncommon word include "unbalanced," "unsymmetrical," "lopsided," "unequal," and "asymmetrical." These words describe something that is not evenly proportioned, balanced or aligned. Other antonyms that could be used include "inappropriate" if referring to a pole placed in the wrong position, or "disproportionate" if the pole is too large or small in relation to its opposite. Overall, counterpole is an uncommon term with many possible antonyms depending on the context in which it is used.