From Longman Dictionary of Contemporary Englishbotchbotch1 /bɒtʃ $ bɑːtʃ/ (also botch up) verb [transitive] informalDO BADLY to do something badly, because you have been careless or because you do not have the skill to do it properly The builders really botched up our patio. a botched investigation→ See Verb table
Examples from the Corpusbotch• Baldwin, the poor schlemiel, is talked into committing a murder, which he botches badly.• The handover to Edinburgh, Cardiff and London was botched, but it was Labour that created the new bodies.• The others were beheaded first; her executioner botched her beheading and left her to endure a three-day death.• Anglers wait a lifetime for such a chance, and I had botched mine.• Botched Not when he has botched reunification and his country's interest rates cripple home-owners and industries far beyond his own borders.• We talked earlier about the computer marketing firm that had badly botched one of its first major corporate sales.• Defense lawyers are arguing that the police botched the investigation.• California did not deregulate its electricity system-the government changed the regulations, and botched the job.botchbotch2 (also botch-up British English) noun [countable] especially British English informal DO BADLYa piece of work, a job etc that has been badly or carelessly done I’ve just made an awful botch of my translation. The whole thing was a botch job.
Examples from the Corpusbotch• Kyoto was a botch from the start, and it was inevitable it would come unstuck.