| stupidity(noun, mistake, rudeness, lapse, error) |
| unseemliness(noun, slip, mistake, rudeness, lapse) |
| violation(noun, slight, damage, evil, harm) |
| X(slip, failure, fault, mistake, lapse) |
| aberration(noun, confusion, fault, mistake, lapse) |
| abortion(noun, decline, ruin, defeat, collapse) |
| absurdity(slip, failure, fault, mistake, lapse) |
| anachronism |
| awkward situation(noun, expression, difficulty, confusion, shame) |
| awkwardness(noun, difficulty, confusion, shame, mess) |
| bad job(expression, slip, failure, fault, mistake) |
| bankruptcy(noun, decline, ruin, defeat, collapse) |
| barbarism(noun, slip, mistake, rudeness, error) |
| bashfulness(noun, difficulty, confusion, shame, mess) |
| bind(noun, difficulty, confusion, shame, mess) |
| blunder in etiquette(noun, expression, idiom, failure, mistake) |
| blunder upon |
| boggle |
| bomb(noun, decline, ruin, defeat, collapse) |
| bonehead play(expression, failure, error, muddle, blunder) |