The recent years have seen the revival of neo-Roman republicanism through the works of Philip Pettit, who has replaced Isaiah Berlin’s taxonomy of positive/negative liberty with freedom as nondomination. This essay compares the neo-Roman conception of nondomination to the liberal conception of noninterference, with the purpose of clarifying whether nondomination is a distinct concept of liberty and preferable to that of noninterference. The essay highlights the exchange between Pettit/Skinner and Carter/Kramer, wherein Carter and Kramer make their case for ‘pure negative liberty’, which is claimed to be the proper articulation of negative liberty. Pure-negative theorists believe that nondomination is a strand of negative liberty, adding nothing new to the concept, whereas their republican counterparts disagree. My essay argues that nondomination is a distinct, preferable concept of liberty, thanks to its view on fundamental unfreedom and the mere presence of arbitrary power, which the pure negative view fails to account for satisfactorily.