antirock adjective 1noun 1 adjective1 •Opposed to rock musicIn their darkest hour, the antirock interests received a gift from the gods: the quiz-show scandal of 1958. — 2002 noun1 •Rock music that deliberately goes against the usual conventions of the genreUt's slippery, semi-improvised antirock was shrill and swampy, an unpredictable amalgam of loose strumming and phantom sputtering. — 2006