D defs.my
Entry 1 sense Webster, 1913

Ennui

/ĕn-o͞o'-ē/ · En·nui · IPA /ɑnˈwi/
01 n. A feeling of weariness and disgust; dullness and languor of spirits, arising from satiety or want of interest; tedium.
  1. 1.
    A feeling of weariness and disgust; dullness and languor of spirits, arising from satiety or want of interest; tedium.