From bore + -dom.

• (British) IPA: /ˈbɔː.dəm/
• (America) IPA: /ˈbɔɹ.dəm/

boredom (uncountable)

1. (uncountable) The state of being bored.
   • 1852 March – 1853 September, Charles Dickens, chapter XII, in Bleak House, London: Bradbury and Evans, […], published 1853, →OCLC ↗:

     […] only last Sunday, my Lady, in the desolation of Boredom and the clutch of Giant Despair, almost hated her own maid for being in spirits.

2. (countable) An instance or period of being bored; A bored state.
   • 1999, Michael L. Raposa, Boredom and the Religious Imagination‎, page 58:

     Yet that earlier characterization was of a kind of boredom that can be portrayed as resembling acedia; that is, a boredom that I can be held responsible for, either in its genesis or its persistence.

   • See more citations at boredoms.

• (state of being bored) ennui

• bore
• bored
• boring

• French: ennui
• German: Langeweile
• Italian: noia, tedio
• Portuguese: aborrecimento, tédio, enfado, fastio
• Russian: ску́ка
• Spanish: aburrimiento, tedio, hastío