ENIGMA
Scrabble letter values: E1N1I1G2M3A1 = 9
Definition
- noun something that baffles understanding and cannot be explained. — synonyms: mystery, secret, closed_book
- noun a difficult problem. — synonyms: riddle, conundrum, brain-teaser
Examples
- “how it got out is a mystery”
- “it remains one of nature's secrets”