Diehard

Alternative forms

• die-hard

Origin

From the idiom "to die hard".

Full definition of diehard

Adjective

1. Unreasonably or stubbornly resisting change.
2. Fanatically opposing progress or reform.
3. Complete; 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.

Synonyms

Noun

1. A person with such an attitude.

Anagrams

• dihedra