boredom
n. uncountable A2 Elementary US //ˈbɔɹdəm// UK //bˈɔːdəm// bore·dom
n. the feeling of being tired and uninterested because you have nothing exciting to do.
n. the state of feeling weary and listless due to a lack of interest or stimulation.
The long wait caused a lot of boredom.
She tried to read a book to cure her boredom during the flight.
The monotony of the daily routine bred a deep sense of boredom that no amount of entertainment could fully dispel.
From bore + -dom.