Extrêmement.
In a mildly insane manner; SYN. dottily, balmily, nuttily, wackily.
Vacuously or complacently and unconsciously foolish; SYN. inanely.
ETYM From Mad.
1. In a desperate manner.
2. (Used as intensives) Extremely; SYN. insanely, deadly, deucedly, devilishly.