blunder

Pronunciation:  US [ˈblʌndər] UK [ˈblʌndə(r)]
  • n.Stupid (or careless) errors
  • v.Make a silly (or careless) errors
  • WebMistake; make mistake; errors
err boob flub fluff foul up fumble goof (up) louse up mess (up) screw up slip up stumble trip