e
nig
ma
Plural
enigmas
1
the quality of being very challenging to explain or understand
- She always had an air of mystery around her, making her an enigma to even her closest friends.
- The sudden disappearance of the airplane over the ocean is one of aviation's greatest enigmas.
- The missing artifact remained an enigma to the researchers.
- Despite numerous theories, the cause of the phenomenon is still an enigma.
- His motives for the decision were an enigma to his colleagues.
Synonyms:
2
a puzzling or mysterious issue or situation
- The coded letter from the spy was an enigma, and they needed their best cryptographer to decipher it.
- The reason for the sudden disappearance of the species remains an enigma to scientists.
Synonyms: