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