Enter a clue or pattern or both:
The Clue
Mystery (6 letter answer)
The Answer
ENIGMA
Tags
Notes
The answer ENIGMA is common and appears about once every 250 puzzles.
Related Clues
Brainteaser
Conundrum
Knot
Perplexer
Perplexity
Poser
Puzzle
A puzzlement
Riddle
Sphinx
Stumper
Baffling matter
Complete baffler
Elgar's "___ Variations"
Head-scratcher
"Hmm?" inducer
It's a mystery
Mind-boggler
Something inexplicable
Hard nut to crack
It's hard to understand
It's mind-boggling
It's not clear
W.W. II German cipher machine
Definition
ENIGMA as a noun:
1. (mystery, enigma, secret, closed book) = something that baffles understanding and cannot be explained; "how it got out is a mystery"; "it remains one of nature's secrets"
2. (riddle, conundrum, enigma, brain-teaser) = a difficult problem