| Main Entry: | |
| Part of Speech: | noun |
| Definition: | brain-teaser |
| Synonyms: | bewilderment, brain-twister, charade, closed book, complexity, complication, confusion, conundrum, cryptogram, dilemma, distraction, doubt, embarrassment, enigma, entanglement, intricacy, knotty question, labyrinth, maze, mind-boggler, 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 |