boring, silly, etc. in the extreme
boring in the extreme
Very or extremely boring. Geez, that film was boring in the extreme—it actually put me to sleep in the theater!
silly in the extreme
Very or extremely silly. I thought that movie was silly in the extreme, but the kids loved it.
boring, silly, etc. in the exˈtremeextremely boring, silly, etc: I must admit, it’s puzzling in the extreme just how these books found their way here.
See also: extreme