English Reference

Word

hardcore

Phoneticshard·core, stress on the first syllable

US/ˈhɑɹdˈkɔɹ/

UK/hˈɑːdkɔː/

Definitions

01extremely dedicated

B2 · Upper Intermediate Informal

adj. showing a very strong and serious commitment to an activity or group.

adj. characterised by extreme dedication or unwavering commitment to a specific cause, activity, or subculture.

“He is a hardcore fan who travels to every single game his team plays.”

“The hardcore supporters remained in the stands despite the torrential rain, chanting until the final whistle blew.”

Antonyms

casualhalf-hearted

02intense or difficult

B2 · Upper Intermediate Informal

adj. very intense, tough, or demanding extreme effort.

adj. highly intense, rigorous, or demanding; often used to describe physical training or difficult environments.

“That mountain bike trail was pretty hardcore with all those steep drops.”

“The special forces undergo a hardcore training regime designed to push their physical and mental endurance to the absolute limit.”

Antonyms

03explicit or obscene

C1 · Advanced Formal

adj. showing or describing sexual acts or violence in a very detailed and direct way.

adj. depicting sexual acts or violence in an explicit, graphic, or unmitigated manner.

“The movie was rated R because it contained some hardcore violence.”

“The documentary was criticised for including hardcore footage of the conflict that many viewers found unnecessarily graphic.”

Synonyms

Antonyms

softcoremild

04music genre

B2 · Upper Intermediate Uncountable noun Music Informal

n. a style of music that is faster and louder than usual, like hardcore punk or techno.

n. a subgenre of punk rock or electronic dance music characterised by faster tempos and higher intensity.

“She loves listening to hardcore when she needs a lot of energy at the gym.”

“The club specialised in hardcore, attracting a niche audience that appreciated the aggressive percussion and rapid-fire BPM.”

05construction material

C2 · Proficiency Uncountable noun Technical · British English

n. broken bricks or stones used to make a solid base for a road or building.

n. mass of solid, not easily compressed material such as broken bricks or stone used as a foundation.

“The builders laid a layer of hardcore before pouring the concrete for the driveway.”

“The specifications required a six-inch layer of compacted hardcore to ensure the stability of the new access road.”

Synonyms

06to an extreme degree

C1 · Advanced Slang

adv. doing something in a very intense or extreme way.

adv. acting in an intense, extreme, or uncompromising manner; functions as an intensifier.

“They were partying hardcore until four in the morning.”

“The team went hardcore on the final project, staying in the office for thirty-six hours straight to meet the deadline.”

Collocations

Common phrases and expressions where native English speakers use the word “hardcore” in context.

Verb

01. become hardcore

“He started as a casual gamer but quickly became hardcore, playing ten hours a day.”

verb + adj

Adjective

02. pretty hardcore

“The training session was pretty hardcore, even for the professional athletes.”

adv + adj

03. truly hardcore

“Only the truly hardcore fans stayed until the end of the concert in the pouring rain.”

adv + adj

Noun

04. hardcore fan

“The band has a small but loyal group of hardcore fans who follow them on every tour.”

adj + noun

05. hardcore gamer

“Hardcore gamers often spend thousands of dollars on high-end PC components.”

adj + noun

06. hardcore pornography

“The government introduced stricter regulations regarding the distribution of hardcore pornography.”

adj + noun

07. hardcore punk

“The club is famous for hosting underground hardcore punk shows every weekend.”

adj + noun

08. hardcore support

“The candidate relies on hardcore support from rural voters to win the election.”

adj + noun

09. hardcore element of

“A hardcore element of the protesters refused to leave until their demands were met.”

10. hardcore fan base

“The cult classic film has maintained a dedicated hardcore fan base for decades.”

Real-World Examples

“Knocked Loose , a hardcore punk band from Kentucky, became a fast favourite.”
The Guardian 21 Oct 2026
“Some guys, more hardcore than me, would hang a pack off each hip then swagger round like a western gunslinger.”
The Guardian 25 Aug 2026

Etymology

From hard + core: hard to the core; 1936 (n.); 1951 (adj.)

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Domain

Music

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Frequent
Level
B2 · Upper Intermediate
Updated

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English Reference