Antonyms for the phrase "patches things up" include words like neglect, ruin, shatter, and worsen. Rather than fixing or repairing something, these words imply a lack of care or attention leading to things falling apart or becoming irreparable. "Neglect" suggests a lack of attention or concern, leading to deterioration. "Ruin" implies destruction or a significant decline in the condition of something. "Shatter" suggests complete destruction, with no chance of fixing. "Worsen" implies that things are getting worse, rather than improving or being fixed. Using these antonyms conveys a different tone than "patching things up," often indicating a loss of hope or a sense of permanent damage.