Crossword Heaven

Answer: ENIGMA

ENIGMA is a crossword puzzle answer that we have spotted 99 times.

• Sphinx
• Elgar's "___ Variations"
• Puzzle
• Poser
• Mystery
• Complete baffler
• Something inexplicable
• Stumper
• Perplexer
• It's mind-boggling
• Riddle
• Mind-boggler
• "Hmm?" inducer
• It's not clear
• It's hard to understand
• Conundrum
• Head-scratcher
• Knot
• It's puzzling
• Something of a mystery
• It's something of a mystery
• Mona Lisa's smile, for one
• Inscrutable sort
• Brainteaser
• Puzzling person
• Something hard to grasp
• Puzzling situation
• Closed book
• Appropriately named monthly of the National Puzzlers' League, with "The"
• National Puzzlers' League publication, with The
• WWII coding machine
• It's no no-brainer
• Inscrutable person
• Brain twister
• Problem
• Toughie
• Baffler
• Riddle or puzzle
• "Hmm" provoker
• Tough puzzle
• Riddle relative
• Cryptic mystery
• WWII encryption machine
• Real poser
• Baffling problem
• Baffler (anagram of 52-Across)
• Tough nut to crack
• "I'm a walking, talking ___": Larry David
• Challenging riddle
• WW2 German encoding device
• Something inscrutable
• Baffling thing
• Hard-to-know person
• It's a mystery
• Name of encoding device used by Germany in WWII
• Puzzling problem
• Contradictory character
• Puzzlement
• Baffling puzzle
• It's hard to untangle
• Reason to be at sea?
• Brain teaser
• Perplexing puzzle
• Puzzler
• Inexplicable situation
• Hard puzzle
• "The Imitation Game" machine
• Nazi cipher machine broken by the Allies
• Perplexity
• Mind-boggling puzzle
• Puzzle that's a stumper
• Mysterious puzzle
• Hard puzzle to figure out
• Brain-twister
• It's truly puzzling
• Mysterious baffler
• Paradox
• The Mona Lisa's smile, e.g.
• Real mystery
• Puzzling riddle
• Ciphering system cracked by Alan Turing
• Hard-to-crack puzzle
• Real puzzle
• It's hard to figure out
• Something baffling
• Hard nut to crack
• "The Imitation Game" encryption machine
• Perplexing thing
• Source of bafflement
• Total mystery
• Real baffler
• Monthly publication of the National Puzzlers' League, with "The"
• Personality that's hard to read
• Challenging puzzle
• Very secretive sort
• Something puzzling
• Real head-scratcher
• Cipher machine of W.W. II
• It's a mystery!