What does "die-hard" mean?

"Die-hard" is an adjective used to describe someone who is extremely loyal and dedicated to a particular cause or belief, often to the point of being unyielding or stubborn. It can also be used to describe something that is very durable or long-lasting.

For example, you might say "He's a die-hard fan of the team" to describe someone who is fiercely devoted to their favorite sports team, or "This car is a die-hard classic" to describe a vehicle that has been well-maintained and is still in good condition after many years.

The phrase "die-hard" is often used to emphasize the strength of someone's beliefs or loyalty, and can be used in a variety of contexts beyond just sports and cars. For example, you might say "She's a die-hard advocate for social justice" to describe someone who is deeply committed to fighting for a particular cause, or "He's a die-hard gamer" to describe someone who spends a lot of time playing video games and is very passionate about it.