weariness

noun

1. (uncountable, usually)Exhaustion, fatigue or tiredness.

   “Now when he had reached the King's capital wherein was Alaeddin, he alighted at one of the Kháns; and, when he had rested from the weariness of wayfare, he donned his dress and went down to wander about the streets, where he never passed a group without hearing them prate about the pavilion and its grandeur and vaunt the beauty of Alaeddin and his lovesomeness, his liberality and generosity, his fine manners and his good morals.”

2. (uncountable, usually)A lack of interest or excitement.

   ““From the end of the Bush years up through 2013 and ’14, there was a war weariness that was permeating even Republicans,” said David Boaz, author of a new book “The Libertarian Mind.” “However, the videos of ISIS beheading Americans and other people have certainly made it more difficult to stick to a noninterventionist argument.””