persevering (adjective)

1. During the construction of the Great Wall of China, the workers exhibited a persevering attitude by tirelessly laboring for years.

2. In Greek mythology, the character Odysseus is known for his persevering nature as he overcomes numerous obstacles on his journey back home.

3. In the comic book series 'Batman', the protagonist Batman is portrayed as a persevering superhero who relentlessly fights crime in Gotham City.

4. In the science fiction novel 'Dune', the protagonist Paul Atreides displays a persevering determination as he navigates treacherous environments and political intrigue.