Synonyms of hardcore

1 Syllable

set, sworn, old

2 Syllables

stubborn, hard-core, settled, fixed, usual, inbred, chronic

3 Syllables

enduring, addicted, hardened, perennial, persistent, continuing, deep-rooted, deep-seated, entrenched, ingrained, habitual, long-lived, long-lasting, abiding, persisting, lifelong, permanent, innate, confirmed

4 Syllables

accustomed, dyed-in-the-wool, customary, incurable, obstinate, indurated, habituated

5 Syllables

incorrigible

6 Syllables

ineradicable