riddle

Synonyms: bewilderment braintwister charade closed book complexity complication confusion conundrum cryptogram dilemma distraction doubt embarrassment enigma entanglement intricacy knotty question labyrinth maze mindboggler mystery mystification perplexity plight poser predicament problem puzzle puzzlement quandary question rebus sixty-four dollar question stickler strait stumper teaser tough nut to crack tough proposition twister

Synonyms: bore corrupt damage honeycomb impair infest mar pepper pervade pierce pit puncture spoil