dead metaphor (noun)

1. In Shakespeare's play, Romeo and Juliet, the phrase 'star-crossed lovers' is a dead metaphor that now means two people who are fated to be together, despite the obstacles they face.

2. The term 'little black dress' has become a dead metaphor in the fashion industry, referring to a simple, elegant, and versatile dress that every woman should own.

3. In the fantasy novel, 'The Lord of the Rings,' the ring of power is a dead metaphor that symbolizes ultimate corruption and desire for power.

4. In Greek mythology, the expression 'Pandora's box' is a dead metaphor that represents something that, once opened, leads to unexpected troubles or consequences.