boreism means the state of being boring. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Etymology
From bore + -ism.
noun
- The state of being boring.““An intolerable mixture of impertinence and boreism,—has not even the points of an effective character about him,—or I might make some use of him in a Farce.””