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Webster 1828 Edition

Noun.

Inattention; heedlessness; indifference to what is passing and may be interesting.

listlessness ‎(countable and uncountable, plural listlessnesses)

- 1749, John Cleland, Fanny Hill: Memoirs of a Woman of Pleasure, Part 3
  But every thing must have an end. A motion made by this angelic youth, in the listlessness of going off sleep, replac'd his shirt and the bed-cloaths in a posture that shut up that treasure from longer view.

state of being listless

Dutch: lusteloosheid (nl) f
German: Lustlosigkeit f
Greek: νωθρότητα (el) f ‎(nothrótita), ατονία (el) f ‎(atonía), ακηδία (el) f ‎(akidía)

Irish: díbheocht f
Turkish: bıkkınlık (tr), usantı (tr), usanç (tr), bezginlik (tr), uyuşukluk (tr)