Used as a na-adjective to describe something extreme, uncompromising, or intense, often in subcultures or serious contexts.
He is a hardcore gamer.
This training is pretty hardcore.
hardcore music; hardcore punk
Refers to the aggressive subgenre of punk rock or related extreme music styles.
He is the vocalist of a hardcore band.
hardcore pornography
Explicit, graphic sexual content; often used in media or legal contexts.
That site contains hardcore content.
hard core; die-hard members; inner circle
The most committed, active, or extreme members of a group, movement, or organization.
The hard core supporters of that political party have not decreased.
Variant with interpunct, sometimes used for clarity or stylistic reasons.
Borrowed from English 'hardcore', retaining the core meaning of extreme or uncompromising intensity across various domains.