Consistent and dependable in one's behaviour or performance.

(music) Alternative spelling of rocksteady

Having rocky cliffs or outcroppings / Obstinately firm and unyielding in one's opinions

The mineral alunite.

(music) A genre of rock music that is normally published on independent labels, comprising of many different subgenres, mostly distinguished by the prevalence of thick and distorted guitar music.

The sport of scaling rock faces, either with or without ropes and other equipment.

(uncountable) Rock that is carved in situ. / Any of various dwarf succulent plants that resemble stones. / Pyura chilensis, a tunicate that resembles a mass of organs inside a rock.

The science that studies the mechanical behaviour of rock.

(dated) naphtha

(music) A musical genre combining elements of pop music and rock music.