Portrait sitter
Else clues• Cheese sayer
• A model at work
• Baffler
• Baffling problem
• Baffling puzzle
• Baffling question
• Brainteaser
• Confusing query
• Confusing question
• Conundrum
• Cover girl, for one
• Difficult problem
• Difficult puzzle
• Enigma
• Group of insecure sophomores raised a tough question (5)
• Hard problem
• Hard puzzle
• Hard question
• Head-scratcher
• Head-scratching question
• Insincere sort
• It makes you think
• Mannequin
• Model
• Model at work
• Model doing a photo shoot, for example
• Model or pretender
• Model or puzzle
• Model, at times
• Model, often
• Model's problem (5)
• Not the real McCoy
• Nut to crack
• One in a pic
• One pretending to like trendy music, say
• Perplexing problem
• Phony
• Pretender
• Pretentious fraud
• Pretentious type
• Puzzle
• Puzzle or fashion model
• Puzzling problem
• Puzzling question
• Rebus for one
• Riddle
• Sixty-four dollar question
• Sticky problem
• Stumper
• Tough crossword clue
• Tough nut
• Tough nut to crack
• Tough one
• Tough probleir
• Tough puzzle
• Tough question
• Tough riddle
• Toughie
• Tricky puzzle
• Wannabe
• Working model
• A person who habitually pretends to be something he is not
• A particularly difficult or baffling question or problem