The word "re-pairing" means to fix something that was previously broken or damaged. The opposite of this would be "breaking" or "damaging." Other antonyms for "re-pairing" could include "destroying," "ruining," or "disassembling." Another way of looking at the antonyms for "re-pairing" is to explore words that suggest a lack of attention or care. These could include words like "neglecting," "ignoring," or "abandoning." Overall, the antonyms for "re-pairing" suggest a range of actions that are opposite to the intent of fixing or restoring something that was broken.