Ennui literally means to be listless, dissatisfied or experiencing boredom. In mid-19th century ‘ennui’ was associated with spiritual depth and sensitivity. Nietzsche regraded ennui as “the unpleasant ‘calm’ of the soul which precedes the happy voyage and the dancing breezes …” Friedrich Nietzsche; The Joyful Wisdom sec. 42 (81-82).