mess-up

noun mess-up

• blooper — A blooper is a silly mistake.
• blunder — A blunder is a stupid or careless mistake.
• botch — If you botch something that you are doing, you do it badly or clumsily.
• breach — If you breach an agreement, a law, or a promise, you break it.
• break — When an object breaks or when you break it, it suddenly separates into two or more pieces, often because it has been hit or dropped.