| skeleton in the cupboard(expression, idiom, shame, confidence, dishonor) |
| slur(shame, dishonor, unpopularity) |
| sphinx(perplexity, abstruseness, inscrutableness) |
| stumper(perplexity, abstruseness, inscrutableness) |
| teaser(perplexity, abstruseness, inscrutableness) |
| thriller(perplexity, abstruseness, inscrutableness) |
| tough nut to crack(expression, idiom, perplexity, abstruseness, inscrutableness) |
| unbelief(shame, dishonor, unpopularity) |
| unbelievingness(shame, dishonor, unpopularity) |
| underestimation(shame, dishonor, unpopularity) |
| unfaith(shame, dishonor, unpopularity) |
| unknown(confidence, mystery) |
| unpopularity(shame, dishonor) |
| unrevealed(confidence, secret, mystery) |
| unworthiness(shame, dishonor, unpopularity) |
| voodooism(perplexity, abstruseness, inscrutableness) |
| whodunit(perplexity, abstruseness, inscrutableness) |
| witchcraft(perplexity, abstruseness, inscrutableness) |
| witchery(perplexity, abstruseness, inscrutableness) |
| witching(perplexity, abstruseness, inscrutableness) |