diehard

[dahy-hahrd] / ˈdaɪ hɑrd /

NOUN

overenthusiastic person

Synonyms

STRONGEST

fanatic fundamentalist zealot

STRONG

bourbon extremist fogy mossback praetorian pullback reactionary right right-winger rightist stick-in-the-mud ultraconservative

WEAK

bitter ender dyed-in-the-wool intransigent old liner standpat standpatter true blue

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

They include rabid Ukrainian patriots, political agnostics and diehard Russophiles.

From The Wall Street Journal • May 20, 2026

For Inter Milan that investment, the club hopes, will transform the game-day experience not just for well-heeled corporate types but for the team’s diehard fans.

From Los Angeles Times • Mar. 17, 2026

The Athletic added in a Friday report that the two negotiators “remain far apart” on their respective demands, frustrating the YouTube TV viewers who make up “some of the most diehard NFL fans anywhere.”

From Slate • Nov. 10, 2025

These diehard subcommunities centered around outre fashion, indie pop and stylish photography took to Grimes, knowing it allowed them to finally become fans of themselves.

From Salon • Nov. 7, 2025

I imagine that some of you, particularly those who are diehard cola drinkers, are bristling at this point.

From "Blink" by Malcolm Gladwell

diehard

Example Sentences

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