killjoyism

English

Etymology

From killjoy +‎ -ism.

Noun

killjoyism (uncountable)

1. The behaviour of a killjoy.
   • 2009, Marianne Elliott, When God Took Sides: Religion and Identity in Ireland - Unfinished History:

     This question was the topic of a very unsatisfactory Irish television debate in 1964, which paid too much attention to the Italianate statues and holy pictures of the nineteenth-century devotional revolution and the supposed infusion of Victorian values to explain the notorious killjoyism of Irish Catholicism.