die-hard

Definitions

Stubbornly resistant or strongly committed to a cause, belief, or group.

A person who strongly opposes change or remains loyal to a long-standing tradition.

Examples

He is a die-hard fan of the local football team and never misses a game.

Despite the changing trends in technology, she remains a die-hard supporter of using physical books.

Synonyms

staunch unwavering dedicated inveterate committed steadfast

Antonyms

fickle wavering halfhearted uncommitted indifferent apathetic changeable