The word "pro pounds" refers to currency that is in favor of something or someone. Antonyms for this term would include words such as "against," "opposed," and "anti." These words signify a stance that is contrary to the idea of supporting something. Other antonyms for "pro pounds" might include words like "disapprove," "refuse," and "reject." These terms indicate a decision to not support something, or even actively oppose it. Overall, the antonyms for "pro pounds" suggest a negative attitude towards the idea of financially supporting something and instead adopt a position of resistance or opposition.