noun a person who strongly opposes change or refuses to give up on something
adjective stubbornly resistant to change or unwavering in belief or opinion
A diehard music fan is someone who is devoted to a particular band or artist, attending all their concerts and collecting all their albums.
A diehard supporter is someone who is unwavering in their loyalty to a specific political party or ideology, even in the face of criticism or opposition.
A diehard fan is someone who is extremely loyal to a particular sports team, often supporting them through thick and thin.
A diehard movie buff is someone who is deeply passionate about films, often watching them multiple times and analyzing every detail.
In the literary world, a diehard fan refers to someone who is extremely passionate about a particular author or genre.
In psychology, a diehard belief or behavior refers to something that is deeply ingrained and resistant to change, even in the face of contradictory evidence.
In sports analysis, a diehard fan is someone who is loyal to a particular team or player, no matter how well or poorly they are performing.
In marketing, a diehard customer is someone who is extremely loyal to a brand and will continue to purchase their products or services no matter what.