| verb | make a mess of, destroy or ruin “I botched the dinner and we had to eat out” |
| verb | manage badly or incompetently “The funds were mismanaged” |
| botcher | noun | someone who makes mistakes because of incompetence |
| botch | noun | an embarrassing mistake |
| bumbler | noun | someone who makes mistakes because of incompetence |
| fumbler | noun | someone who makes mistakes because of incompetence |
| flub | noun | an embarrassing mistake |
| screwup | noun | the complete mismanagement or mishandling of a situation |
| ballup | noun | something badly botched or muddled |
| spoil | noun | the act of spoiling something by causing damage to it |
| spoilage | noun | the act of spoiling something by causing damage to it |
| spoiling | noun | the act of spoiling something by causing damage to it |
| bungle | noun | an embarrassing mistake |
| bungler | noun | someone who makes mistakes because of incompetence |
| fluff | noun | a blunder (especially an actor's forgetting the lines) |
| foul-up | noun | an embarrassing mistake |
| mess-up | noun | something badly botched or muddled |
| fuckup | noun | an embarrassing mistake |
| mismanagement | noun | management that is careless or inefficient |
| misconduct | noun | bad or dishonest management by persons supposed to act on another's behalf |