being so without apparent change or remedy; chronic:
hard-core inflation; hard-core unemployment.
Origin
1950-55
Examples from the web for hardcore
The ugly truth is that the general culture can't handle hardcore culture.
The result is a movie that even hardcore motorcycle fans will find to be as implausible as the plot.
But solid, hardcore and even breathtaking basketball.
Search settings can be tweaked for players seeking more social or hardcore experiences, depending on their preferences.
The idea is to take the essence of what they do, and distill it to the hardcore, and work with that.
Indeed, there is something oddly otherworldly about the hardcore soccer fan.
hardcore skeptics dismiss them as the work of pranksters.
First, the new devices are good enough for sophisticated games, so they have caught the attention even of hardcore gamers.
As for the hardcore militants, the government has a different plan.
In other words, hardcore ideologues about the role of government.
British Dictionary definitions for hardcore
hardcore
/ˈhɑːdˌkɔː/
noun
1.
a style of rock music characterized by short fast numbers with minimal melody and aggressive delivery
2.
a type of dance music with a very fast beat
Word Origin and History for hardcore
also hard-core; 1936 (n.); 1951 (adj.); from hard + core. Original use seems to be among economists and sociologists. Extension to pornography is attested by 1966. Also the name of a surfacing material.
Slang definitions & phrases for hardcore
hard-core
adjective
Essential and uncompromising; unmitigated: a hard-core Republican/ hard-core pornography(1951+)
noun
Pornography that openly depicts complete sex acts: He sort of likes dirty stuff, but not real hard core(1970s+)