| twister(noun, question, puzzle, conundrum) |
| bewilderment(noun, question, puzzle, conundrum) |
| brainteaser(noun, question, puzzle, riddle) |
| charade(noun, question, puzzle, dilemma, complexity) |
| complexity(noun, question, puzzle, dilemma, quandary) |
| complication(noun, question, puzzle, dilemma, complexity) |
| confusing(noun, question, puzzle, riddle) |
| confusion(noun, question, puzzle, dilemma, complexity) |
| crux(noun, trouble, challenge, puzzle) |
| difficult question(noun, question, puzzle, riddle) |
| distraction(noun, question, puzzle, dilemma, complexity) |
| doubt(noun, question, puzzle, dilemma, complexity) |
| embarrassment(noun, question, puzzle, dilemma, complexity) |
| entanglement(noun, question, puzzle, dilemma, complexity) |
| eye teaser |
| intricacy(noun, question, puzzle, conundrum) |
| maze(noun, question, puzzle, dilemma, complexity) |
| mind-breaker(noun, question, puzzle, riddle) |
| plight(noun, question, puzzle, dilemma, complexity) |
| predicament(noun, question, puzzle, dilemma, complexity) |