grandfather clause (noun)

1. In the anime series, the main character discovers a hidden power that allows him to rewrite his grandfather clause, altering his destiny.

2. The science fiction novel explores a futuristic society where a grandfather clause is implemented to restrict certain technological advancements.

3. The historic building was renovated while preserving its original charm, thanks to the grandfather clause that protected its architectural elements.

4. In the comic book series, a group of superheroes fights to remove a grandfather clause that discriminates against individuals with specific genetic traits.