The word “overman,” as the designation of a type of supreme achievement, as opposed to “modern” men, to “good” men, to Christians and other nihilists — a word that in the mouth of a Zarathustra, the annihilator of morality, becomes a very pensive word
Nietzsche insists that ‘overman’ names a type of supreme human achievement defined negatively against modernity, goodness, and Christianity, and protests that it has been universally misconstrued as an idealistic or saintly ideal.
, On the Genealogy of Morals, 1887thesis