The term "were mend" refers to fixing or repairing something that was previously damaged. Its antonyms could include words like break, damage, injure, harm, ruin, or destroy. These are all actions that involve causing damage or harm to something. However, if we consider antonyms that are the opposite of "were mend," we could use words like ignore, neglect, abandon, disregard, or leave alone. These antonyms suggest a lack of attention or care towards something that was in need of repair or fixing. Thus, it is important to use the correct word based on the context and intended meaning.