Definition of femme fatale in English:
noun (plural femmes fatales pronounced same)
An attractive and seductive woman, especially one who will ultimately bring disaster to a man who becomes involved with her.
- Elijah expected a beautiful mirage of glittering, ethereal beauty, the ultimate femme fatale, but now he knew not what to think.
- She is the femme fatale whose seductive voice, glamorous hair, and voluptuous body Rita Hayworth lent to the screen in 1946.
- Yet to many observers these are the femmes fatales of the markets - seductive but essentially destructive temptresses.
early 20th century: French, literally 'disastrous woman'.