[ˈdʌɪhɑːd], (Noun)

Definitions:
- a person who strongly opposes change or who continues to support something in spite of opposition
(e.g: she was a diehard Yankees fan)


Phrases:

Origin:
late 18th century (in the sense ‘person who is prepared to fight or offer resistance until death, if necessary’): from die hard (see die); the sense ‘person who strongly opposes change’ dates from the mid 19th century