Cobbling up is a phrase that means to repair or create something in a haphazard or makeshift manner. The antonyms for cobbling up include: refining, redefining, repairing, perfecting, and polishing. These antonyms suggest a more deliberate and thorough approach to fixing or creating something. Refining involves making small but significant improvements, while redefining involves completely reimagining something. Repairing suggests a focus on fixing specific issues, and perfecting involves creating something free of flaws. Polishing suggests adding finishing touches to make something shine. In contrast to cobbling up, these antonyms imply intentionality and attention to detail.