DIEHARD

traditionalist, diehard

(noun) one who adheres to traditional views

Source: WordNet® 3.1

Etymology

Adjective

diehard (comparative more diehard, superlative most diehard)

Unreasonably or stubbornly resisting change.

Fanatically opposing progress or reform.

Complete; having no opposite opinion of anything in a particular topic of one's values; thorough of in one's beliefs.

Synonyms

• See also obstinate

Noun

diehard (plural diehards)

A person with such an attitude.

Anagrams

• dihedra

Source: Wiktionary