Hardcore

acérrimo

(resistant to change)

duro

(resistant to change)

duro

(of or pertaining to pornography that depicts penetration)

duro

(faster or more intense than the regular style)

esforzado

(having an extreme dedication to a certain activity)

explícito

(obscene or explicit)

extremo

(of or pertaining to pornography that depicts penetration)

incondicional

(resistant to change)

intensísimo

(particularly intense)

muy dedicado

(having an extreme dedication to a certain activity)

obsceno

(obscene or explicit)

pesado

(faster or more intense than the regular style)

renuente

(resistant to change)

resistente

(resistant to change)

violento

(faster or more intense than the regular style)