Answer:

poser

Answer	Crossword Clue
POSER	Baffling problem
POSER	Baffling question
POSER	Sticky problem

POSER	Dilemma
POSER	Insult for a middle schooler who puts on airs
POSER	Superficial sort
POSER	Enigma
POSER	Tough nut to crack
POSER	Riddle
POSER	"Cheese" sayer
POSER	Model

POSER	Toughie
POSER	Tough question
POSER	"Why is a raven like a writing-desk?," e.g.
POSER	Conundrum
POSER	Puzzling problem
POSER	Cover girl, for one
POSER	Tough one
POSER	Baffler

POSER	Confusing question
POSER	A model at work
POSER	Phony
POSER	Tough riddle
POSER	Pretentious type
POSER	Tough nut
POSER	Brainteaser
POSER	One pretending to like trendy music, say

POSER	Headscratcher
POSER	One playing it up for the camera
POSER	Perplexing puzzle
POSER	Confusing query
POSER	Model at work
POSER	Portrait sitter
POSER	Difficult problem
POSER	Tough puzzle

POSER	Difficult puzzle
POSER	One in a pic
POSER	Tough problem
POSER	Hard one
POSER	Hard problem