[per.fec.tion.ism] n (ca. 1846) 1 a: the doctrine that the perfection of moral character constitutes a person's highest good b: the theological doctrine that a state of freedom from sin is attainable on earth
2: a disposition to regard anything short of perfection as unacceptable -- per.fec.tion.ist n or adj -- per.fec.tion.is.tic adj