adjective

enigmatic

en-ig-MAT-ik/ˌenɪɡˈmætɪk/

Mysterious and difficult to understand.

His enigmatic smile revealed nothing.

An enigmatic adult with a restrained unreadable expression stands partly behind a curtain, subtle mystery.
Etymology

A riddle conceals meaning beneath obscure words. Enigmatic extends that image to anything mysterious or difficult to understand, as though it were a riddle awaiting interpretation.

In context

Enhanced Public Domain218:39
I was at first unable to solve these questions but Perpetual attention and time explained to me many appearances which were at first enigmatic
1800s Fiction Audiobook: Mary Shelley - Frankenstein

More examples

  • The letter contained an enigmatic reference to a missing key.
  • She remained an enigmatic figure.
  • The inscription was brief and enigmatic.

Forms

enigmatic · more enigmatic · most enigmatic

enigma noun — something puzzling or mysterious

Similar words

mysterious
Both are hard to explain; enigmatic suggests a puzzle whose meaning is obscure.
ambiguous
Ambiguous allows more than one reading; enigmatic may offer no clear reading at all.