noun🔗ShareA person with such an attitude."My uncle is a diehard fan of the local soccer team, always cheering them on even when they lose. "attitudepersoncharacterChat with AIVocabulary GamePractice Reading
adjective🔗ShareUnreasonably or stubbornly resisting change."My grandmother is a diehard fan of classical music; she refuses to listen to any other kind. "attitudecharacterChat with AIVocabulary GamePractice Reading
adjective🔗ShareFanatically opposing progress or reform."The diehard teachers' union opposed any changes to the school's grading system. "attitudepoliticssocietycharacterChat with AIVocabulary GamePractice Reading
adjective🔗ShareComplete; having no opposite opinion of anything in a particular topic of one's values; thorough of in one's beliefs."For a Roman Catholic teacher, he sure is a diehard fundamentalist."attitudecharactervaluepoliticsChat with AIVocabulary GamePractice Reading