Another word for insanely

For the first time in my life, I was insanely jealous.

Leo was by nature highly excitable and almost insanely passionate, though at the same time strictly honourable, unselfish, and in private intercourse even gentle.

For instance, Falcon will turn into a missle-slinging robot; Wang Tang changes into some insanely fast martial artist capable out a thousand hits per second... or so it seems when you're getting your butt kick by him.

The earl still continued his usual course of dealing with the queen, depending solely upon her supposed affection for him, and insanely jealous of any other whom she might seem to favour.